:Gleison Tibau

Tibau began training for mixed martial arts at 13 and was fighting by 15. He was a state champion in Rio de Janeiro in both Brazilian jiu-jitsu and wrestling. He was brought up as a fighter in Kimura team, from northern Brazil. Tibau trains at American Top Team.{{citation needed|date=January 2023}}

Tibau made his UFC debut at welterweight against Nick Diaz. Tibau started strong and was taking Diaz down efficiently while avoiding submissions using Brazilian Jiu Jitsu. In the second round he got tired and lost by TKO due to strikes. Tibau took on Jason Dent at UFC 68. Tibau won by unanimous decision. He then took a one fight hiatus from the company and returned to defeat Jeff Cox by submission due to an arm-triangle choke. Tibau then fought undefeated Brit Terry Etim, outwrestling his opponent for a unanimous decision.

Tibau then lost back to back fights to Tyson Griffin at UFC 81 and Joe Stevenson at UFC 86. He was on the verge of release from UFC by president Dana White. He rebounded with back to back wins over Rich Clementi and Jeremy Stephens.

At the TUF 9 Finale, Tibau fought Melvin Guillard. Tibau lost by split decision.[http://mmajunkie.com/news/15267/the-ultimate-fighter-9-finale-live-round-by-round-updates-and-official-results.mma The Ultimate Fighter 9 Finale live round by round updates and official results] {{webarchive|url=https://web.archive.org/web/20090622085928/http://mmajunkie.com/news/15267/the-ultimate-fighter-9-finale-live-round-by-round-updates-and-official-results.mma |date=2009-06-22 }} Three media outlets scored the fight for Tibau.{{Cite web |last=Decisions |first=MMA |date=June 20, 2009 |title=MMA Decisions - Tibau vs Guillard |url=http://mmadecisions.com/decision/1259/Melvin-Guillard-vs-Gleison-Tibau |access-date=June 1, 2024}}

Tibau's next fight was at UFC 104 where Tibau beat Josh Neer{{cite web |url=http://www.cbssports.com/mma/story/12158248 |title=Sherk out, Neer in to face Gleison Tibau at UFC 104}} after landing 10 takedowns via unanimous decision (30-27, 30–27, 30–27).

Tibau won his second straight match with a first-round TKO over Caol Uno on March 31, 2010, at UFC Fight Night 21.{{cite web|url=http://www.tatame.com/2010/01/21/Gleison-Tibau-vs-Caol-Uno-at-Fight-Night-21|title=Gleison Tibau vs. Caol Uno at Fight Night 21|publisher=tatame.com|access-date=2010-01-21|url-status=dead|archive-url=https://web.archive.org/web/20100124082554/http://www.tatame.com/2010/01/21/Gleison-Tibau-vs-Caol-Uno-at-Fight-Night-21|archive-date=2010-01-24}} Tibau faced Jim Miller on September 15, 2010, at UFC Fight Night 22.{{cite web|url=http://www.mmaweekly.com/absolutenm/templates/dailynews.asp?articleid=11580&zoneid=13|title=MILLER VS TIBAU SEPT. 15, TUF 12 DEBUT EXPECTED|publisher=mmaweekly.com|date=2010-05-24|url-status=dead|archive-url=https://web.archive.org/web/20100527061854/http://www.mmaweekly.com/absolutenm/templates/dailynews.asp?articleid=11580&zoneid=13|archive-date=2010-05-27}} He lost the fight via unanimous decision.

Tibau beat Kurt Pellegrino on March 19, 2011, at UFC 128{{cite web |url=http://mmajunkie.com/news/21776/shogun-vs-evans-pellegrino-vs-tibau-slated-for-ufc-129-in-new-jersey.mma |title=Pellegrino vs. Tibau slated for UFC 129 in New Jersey |publisher=mmajunkie.com |date=December 15, 2010 |url-status=dead |archive-url=https://web.archive.org/web/20101218033240/http://mmajunkie.com/news/21776/shogun-vs-evans-pellegrino-vs-tibau-slated-for-ufc-129-in-new-jersey.mma |archive-date=December 18, 2010 }} via split decision.

Tibau then defeated veteran Rafaello Oliveira{{cite web|url=http://www.sherdog.com/news/news/Oliveira-Replaces-Palaszewski-Faces-Tibau-at-UFC-130-32483|title=Oliveira Replaces Palaszewski, Faces Tibau at UFC 130 |publisher=sherdog.com|date=May 19, 2011}} via second round rear naked choke, earning Submission of the Night honors.

Tibau won via split decision against Rafael dos Anjos on November 19, 2011, at UFC 139.{{cite web |url=http://mmajunkie.com/news/24843/ufc-139-confirmed-for-san-jose-adds-rafael-dos-anjos-vs-gleison-tibau.mma |title=UFC 139 confirmed for San Jose, adds Rafael dos Anjos vs. Gleison Tibau |publisher=mmajunkie.com |date=16 August 2011 |access-date=17 August 2011 |archive-date=21 October 2011 |archive-url=https://web.archive.org/web/20111021055602/http://mmajunkie.com/news/24843/ufc-139-confirmed-for-san-jose-adds-rafael-dos-anjos-vs-gleison-tibau.mma |url-status=dead }} Tibau next faced undefeated prospect Khabib Nurmagomedov on July 7, 2012, at UFC 148,{{cite web |url=http://mmajunkie.com/news/28032/gleison-tibau-vs-khabib-nurmagomedov-added-to-julys-ufc-148-event.mma |title=Gleison Tibau vs. Khabib Nurmagomedov added to July's UFC 148 event |publisher=mmajunkie.com |date=March 29, 2012 |url-status=dead |archive-url=https://web.archive.org/web/20120330234320/http://mmajunkie.com/news/28032/gleison-tibau-vs-khabib-nurmagomedov-added-to-julys-ufc-148-event.mma |archive-date=March 30, 2012 }} losing via unanimous decision.

Tibau fought Francisco Trinaldo on October 13, 2012, at UFC 153{{cite web|url=http://mmajunkie.com/news/29989/francisco-drinaldo-announces-ufc-153-fight-with-gleison-tibau.mma|title=Francisco Drinaldo announces UFC 153 fight with Gleison Tibau|publisher=mmajunkie.com|date=August 2, 2012|url-status=dead|archive-url=https://web.archive.org/web/20120804055315/http://mmajunkie.com/news/29989/francisco-drinaldo-announces-ufc-153-fight-with-gleison-tibau.mma|archive-date=August 4, 2012}} winning via unanimous decision.

He lost to Evan Dunham on February 2, 2013, at UFC 156{{cite web |url=http://www.mmaweekly.com/evan-dunham-vs-gleison-tibau-added-to-ufc-156 |title=Evan Dunham vs. Gleison Tibau Added to UFC 156 |publisher=mmaweekly.com |date=December 6, 2012}} by split decision. Tibau then faced John Cholish on May 18, 2013, at UFC on FX 8,{{cite web |url=http://www.mmajunkie.com/news/2013/03/gleison-tibau-vs-john-cholish-joins-ufc-on-fx-8-lineup|title=Gleison Tibau vs. John Cholish joins UFC on FX 8 lineup |publisher=mmajunkie.com|date=March 6, 2013}} winning via second round submission.

Tibau beat Jamie Varner on August 31, 2013, at UFC 164{{Cite web|url=http://www.mmajunkie.com/news/2013/06/lightweights-jamie-varner-and-gleison-tibau-set-for-ufc-164-in-milwaukee|title=Lightweights Jamie Varner and Gleison Tibau set for UFC 164 in Milwaukee|publisher=mmajunkie.com |date=June 19, 2013}} by split decision. With this fight, he became the youngest fighter in UFC history to record 20 bouts.

Tibau lost to Michael Johnson in the last fight of his contract on December 28, 2013, at UFC 168{{Cite web|url=http://www.mmajunkie.com/news/2013/09/michael-johnson-vs-gleison-tibau-lightweight-bout-set-for-ufc-168-in-las-vegas|title=Michael Johnson vs. Gleison Tibau lightweight bout set for UFC 168 in Las Vegas|publisher=mmajunkie.com |date=September 18, 2013}} via second-round knockout.

On January 16, 2014, Tibau signed a four-fight contract.{{Cite web|url=http://www.mmafighting.com/2014/1/16/5316108/gleison-tibau-signs-new-four-fight-deal-with-the-ufc|title=Gleison Tibau signs new four-fight deal with the UFC|publisher=mmafighting.com |date=January 16, 2014}}

Tibau faced Pat Healy on July 16, 2014, at UFC Fight Night 45,{{cite web |url=http://www.fightline.com/ufc-fight-night-45-secures-pat-healy-gleison-tibau/|title=UFC Fight Night 45 Secures Pat Healy-Gleison Tibau |publisher=fightline.com |author=Dana Becker|date=2014-05-05|access-date=2014-05-05}} winning by unanimous decision.

Tibau next faced Piotr Hallmann on September 13, 2014, at UFC Fight Night 51.{{cite web |url=http://mmajunkie.com/2014/07/hallman-tibau-johnson-pepey-booked-for-ufc-fight-night-51-in-brazil|title=Hallmann-Tibau booked for UFC Fight Night 51 in Brazil|publisher=mmajunkie.com|author=Staff|date=2014-07-29|access-date=2014-07-29}} He won the back-and-forth fight via split decision. This fight earned Tibau his first Fight of the Night bonus award.{{cite news|url=http://mmajunkie.com/2014/09/ufc-fight-night-51-bonuses-arlovski-pepey-tibau-and-hallmann-win-50000-bonuses|title=UFC Fight Night 51 bonuses: Arlovski, Pepey, Tibau and Hallmann win $50,000 bonuses |publisher=MMAjunkie.com |date=September 13, 2014}} Following the bout Hallmann failed his post fight drug test due to the presence of drostanolone in his system.{{cite web|url=http://mmajunkie.com/2014/10/fight-of-the-night-winner-piotr-hallmann-fails-ufc-fight-night-51-drug-test|title='Fight of the Night' winner Piotr Hallmann fails UFC Fight Night 51 drug test|author=Staff|publisher=mmajunkie.com|date=October 6, 2014|access-date=October 6, 2014}}

Tibau defeated Norman Parke on January 18, 2015, at UFC Fight Night 59, replacing Jorge Masvidal,{{cite web|url=http://mmajunkie.com/2014/12/jorge-masvidal-out-gleison-tibau-meets-norman-parke-at-ufc-fight-night-59|title=Jorge Masvidal out, Gleison Tibau meets Norman Parke at UFC Fight Night 59|publisher=mmajunkie.com|author=Staff|date=2014-12-04|access-date=2014-12-04}} winning via split decision.{{cite web|url=http://mmajunkie.com/2015/01/ufc-fight-night-59-results-gleison-tibau-outworks-norman-parke-for-split-win|title=UFC Fight Night 59 results: Gleison Tibau outworks Norman Parke for split decision win |publisher=mmajunkie.com|author=Ben Fowlkes|date=2015-01-18|access-date=2015-01-18}}

Tibau replaced an injured Yancy Medeiros was against Tony Ferguson on February 28, 2015, at UFC 184,{{cite web|url=http://www.sherdog.com/news/news/Gleison-Tibau-Replaces-Yancy-Medeiros-Faces-Tony-Ferguson-at-UFC-184-81269|title=Gleison Tibau replaces Yancy Medeiros, faces Tony Ferguson at UFC 184|publisher=sherdog.com|author=C.J. Tuttle|access-date=2015-02-03|date=2015-02-03}} losing by submission in the first round, his first submission defeat since his 2008 loss to Joe Stevenson.

Tibau defeated Abel Trujillo at UFC Fight Night 77 on November 7, 2015{{cite web|url=http://cagepages.com/2015/08/04/gleison-tibau-vs-abel-trujillo-added-to-ufc-sao-paulo-in-november/|title=Gleison Tibau vs. Abel Trujillo added to UFC Sao Paulo in November|publisher=cagepages.com|author=Sean Bio|date=2015-08-04|access-date=2015-08-04}} via a first round submission. Tibau took Trujillo's back, secured a body triangle from the bottom and grabbed a rear-naked choke grip with his arm underneath Trujillo's chin. After a few seconds in this position, referee Keith Peterson halted the contest as he believed that Trujillo was unconscious.{{cite web|url=http://www.bloodyelbow.com/2015/11/8/9690512/disappointed-abel-trujillo-says-he-was-getting-out-of-submission-i|title='Disappointed' Abel Trujillo on controversial loss: 'I didn't get to fight' |publisher=bloodyelbow.com|author=Nick Baldwin|date=2015-11-08|access-date=2015-11-08}} Trujillo indicated that he planned to appeal the decision in hopes that the result may be changed to a No Contest.{{cite news|url=http://www.mmafighting.com/2015/11/11/9716042/abel-trujillo-will-appeal-loss-to-gleison-tibau-at-ufc-fight-night-77|title=Abel Trujillo will appeal loss to Gleison Tibau in Brazil|publisher=MMAfighting.com|first1=Guilherme|last1=Cruz|date=November 11, 2015|access-date=November 11, 2015}}

On December 4, 2015, Tibau was suspended by USADA due to a potential Anti-Doping Policy violation stemming from an out-of-competition test.{{cite web|url=http://www.ufc.com/news/UFC-Statement-on-Gleison-Tibau?id=|title=UFC Statement on Gleison Tibau|work=Ultimate Fighting Championship|date=December 4, 2015}} On December 23, 2015, it was reported that he had also failed an in-competition test following his win over Trujillo.{{cite web|url=http://mmajunkie.com/2015/12/gleison-tibau-notified-of-in-competition-testing-failure-his-second-failed-drug-test|title=Gleison Tibau notified of in-competition testing failure, his second failed drug test|work=MMAjunkie|date=24 December 2015}} On February 18, 2016, Tibau was suspended for 2 years by USADA as well as having the result of his fight against Trujillo reversed to a loss.{{cite web|url=http://ufc.usada.org/gleison-tibau-accepts-doping-sanction/|title=Gleison Tibau Accepts Doping Sanction - UFC - USADA|work=UFC Anti-Doping Program|access-date=2016-02-18|archive-date=2016-03-04|archive-url=https://web.archive.org/web/20160304123647/http://ufc.usada.org/gleison-tibau-accepts-doping-sanction/|url-status=dead}}

Tibau faced Islam Makhachev on January 20, 2018, at UFC 220.{{cite news|url=https://www.mmafighting.com/2017/11/2/16600578/islam-makhachev-vs-gleison-tibau-booked-ufc-220-boston|title=Islam Makhachev vs. Gleison Tibau booked for UFC 220 in Boston|publisher=mmafighting.com|author=Guilherme Cruz|date=2017-11-02|access-date=2017-11-02}} He lost the fight by knockout in the first round.{{Cite news|url=http://mmajunkie.com/2018/01/ufc-220-results-islam-makhachev-kos-gleison-tibau-in-57-seconds-to-open-card-in-boston|title=UFC 220 results: Islam Makhachev KOs Gleison Tibau in 57 seconds, calls out Kevin Lee|date=2018-01-21|work=MMAjunkie|access-date=2018-01-21|language=en-US}}

Tibau faced Desmond Green on June 1, 2018, at UFC Fight Night 131.{{Cite news|url=http://mmajunkie.com/2018/04/desmond-green-vs-gleison-tibau-johnny-eduardo-vs-nathaniel-wood-ufc-fight-night-131-utica|title=Desmond Green-Gleison Tibau, Johnny Eduardo-Nathaniel Wood added to UFC Utica|date=2018-04-13|work=MMAjunkie|access-date=2018-04-14|language=en-US}} He lost the fight by unanimous decision.{{Cite news|url=https://mmajunkie.com/2018/06/ufc-fight-night-131-results-desmond-green-outworks-gleison-tibau-unanimous-decision-utica|title=UFC Fight Night 131 results: Desmond Green outworks Gleison Tibau for unanimous decision|date=2018-06-02|work=MMAjunkie|access-date=2018-06-02|language=en-US}}

Tibau's bout with Green marked the last fight of his contract and after more than a decade in the UFC, Tibau chose not to renew the contract, becoming a free agent.{{cite web|url=https://www.mmafighting.com/2018/8/13/17685894/gleison-tibau-parts-ways-ufc-28-octagon-appearances|title=Gleison Tibau parts ways with the UFC after 28 Octagon appearances|date=August 13, 2018|author=Guilherme Cruz|publisher=mmafighting.com}}

After the long career in the UFC, Tibau revealed he will be moving up to welterweight division. On September 4, 2018, it was revealed that Tibau would fight Golden Boy Promotions' inaugural MMA event, headlined by the third encounter of Chuck Liddell and Tito Ortiz.{{cite web|url=https://www.mmafighting.com/2018/9/4/17820052/gleison-tibau-return-undercard-tito-ortiz-chuck-liddell-golden-boy|title=Gleison Tibau to return on the undercard of Tito Ortiz vs. Chuck Liddell 3|author=Guilherme Cruz|date=September 4, 2018|publisher=mmafighting.com}} Despite the announcement on going up a weight class, Tibau faced fellow UFC veteran Efrain Escudero in a 160lbs catchweight bout.{{cite web|url=https://mmajunkie.com/2018/10/chuck-liddell-vs-tito-ortiz-fight-card|title=Proposed Liddell vs. Ortiz 3 lineup features Gleison Tibau vs. Efrain Escudero|author=Steven Marrocco|date=October 15, 2018|publisher=mmajunkie.com}} He won the fight via unanimous decision.{{Cite news|url=https://mmajunkie.com/2018/11/liddell-vs-ortiz-3-results-gleison-tibau-grinds-out-decision-over-efrain-escudero|title=Liddell vs. Ortiz 3 results: Gleison Tibau grinds out decision over gritty Efrain Escudero|date=2018-11-25|work=MMAjunkie|access-date=2018-11-25|language=en-US}}

Tibau replaced Abel Trujillo on short notice against Will Brooks at Battlefield FC 2 on July 27, 2019, winning by Round 1 Submission.{{cite web|url=https://www.sherdog.com/news/news/Gleison-Tibau-to-Fight-Will-Brooks-in-New-Main-Event-of-Battlefield-FC-2-157805|title=Gleison Tibau to Fight Will Brooks in New Main Event of Battlefield FC 2|author=Cole Shelton|publisher=sherdog.com|date=July 5, 2019}}

Tibau was next expected to face Chris Cisneros at Taura MMA 11 on October 30, 2020.{{cite web|url=https://www.mmafighting.com/2020/9/17/21440481/daron-cruickshank-brazilian-prospect-deivison-ribeiro-taura-mma-11|title=Daron Cruickshank to face Brazilian prospect Deivison Ribeiro at Taura MMA 11|author=Guilherme Cruz|publisher=mmafighting.com|date=September 17, 2020}} However, the bout was moved to Taura MMA 12 on November 22, 2020, which in turn was postponed due to COVID-19 pandemic related issues.{{cite web|url=https://www.mmafighting.com/2020/11/16/21570144/taura-mma-postpones-two-cards-2021-covid-related-issues|title=Taura MMA postpones two cards to 2021 due to COVID-related issues|author=Guilherme Cruz|publisher=mmafighting.com|date=November 16, 2020}}

On February 25, 2021, news surfaced that Tibau had signed with Professional Fighters League and is expected to compete in the welterweight tournament of season 2021.{{cite web|url=https://www.sherdog.com/news/news/PFL-Completes-60Fighter-Roster-for-2021-Season-Including-Gleison-Tibau-Kaitlin-Young-177890|title=PFL Completes 60-Fighter Roster for 2021 Season Including Gleison Tibau, Kaitlin Young|date=February 25, 2021|author=Jay Pettry|work=Sherdog}}

Tibau was set to face fellow UFC vet Alexey Kunchenko on April 29, 2021, at PFL 2 as the start of the 2021 PFL Welterweight tournament.{{cite web|url=https://www.mmafighting.com/2021/3/2/22308795/rory-macdonald-faces-david-michaud-in-pfl-debut-as-welterweights-light-heavyweights-begin-april-29|title=Rory MacDonald faces David Michaud in PFL debut as welterweights, light heavyweights begin season on April 29|author=Damon Martin|work=MMAFighting.com|date=March 2, 2021|accessdate=March 2, 2021}} On March 25, it was announced that Kunchenko pulled out of the bout and due to this Tibau was set to face João Zeferino.{{Cite web|last=Sherdog.com|title=Gleison Tibau Meets Joao Zeferino at PFL 2 After Two Fighters Withdraw from Card|url=https://www.sherdog.com/news/news/Gleison-Tibau-Meets-Joao-Zeferino-at-PFL-2-After-Two-Fighters-Withdraw-from-Card-178953|access-date=2021-04-25|website=Sherdog}} He lost the bout via unanimous decision.{{Cite web|last=Marrocco|first=Steven|date=2021-04-29|title=PFL 2 results: Rory MacDonald tricks Curtis Millender, gets first-round tapout|url=https://www.mmafighting.com/2021/4/29/22411199/pfl-2-results-rory-macdonald-tricks-curtis-millender-gets-first-round-tapout|access-date=2021-04-30|website=MMA Fighting|language=en}}

Tibau faced Rory MacDonald at PFL 5 on June 17, 2021.{{Cite web|last=Newswire|first=MMA Fighting|date=2021-05-19|title=Rory MacDonald vs. Gleison Tibau headlines PFL 5 main card with welterweights and light heavyweights|url=https://www.mmafighting.com/2021/5/19/22444075/rory-macdonald-vs-gleison-tibau-headlines-pfl-5-main-card-with-welterweights-and-light-heavyweights|access-date=2021-05-20|website=MMA Fighting|language=en}} He won the fight by a controversial split decision, with the vast majority of media scores and other professional MMA fighters scoring the bout as a win for MacDonald. Despite the victory over MacDonald, Tibau did not advance to the playoffs.{{Cite web|last=Anderson|first=Jay|date=2021-06-17|title=PFL 5: Rory MacDonald Drops Inconsequential Bout to Gleison Tibau, Makes Playoffs Regardless|url=https://cagesidepress.com/2021/06/17/pfl-5-rory-macdonald-gleison-tibau/|access-date=2021-06-18|website=Cageside Press|language=en-US}}{{Cite web|last=Martin|first=Damon|date=2021-06-17|title=PFL 5 results: Gleison Tibau wins controversial split decision over Rory MacDonald|url=https://www.mmafighting.com/2021/6/17/22539663/pfl-5-results-gleison-tibau-wins-controversial-split-decision-over-rory-macdonald-in-main-event|access-date=2021-06-18|website=MMA Fighting|language=en}}{{Cite web|date=2021-06-17|title=PFL 5: Rory MacDonald, Ray Cooper III, Emiliano Sordi secure playoff spots|url=https://www.espn.com/mma/story/_/id/31654426/pfl-5-live-updates-results-rory-macdonald-ray-cooper-iii-emiliano-sordi-chase-playoff-spots|access-date=2021-06-18|website=ESPN.com|language=en}}{{Cite web|last=Sherdog.com|title=PFL 5 2021 Play-by-Play, Results & Round Scoring|url=https://www.sherdog.com/news/news/PFL-5-2021-PlaybyPlay-Results-Round-Scoring-179972|access-date=2021-06-18|website=Sherdog}}

Tibau was scheduled to face Sadibou Sy on August 13, 2021, at PFL 7.{{Cite web|last=Newswire|first=MMA Fighting|date=2021-07-27|title=PFL announces full card for first playoff event headlined by Rory MacDonald vs. Ray Cooper III on Aug. 13|url=https://www.mmafighting.com/2021/7/27/22596391/pfl-announces-full-card-for-first-playoff-event-headlined-by-rory-macdonald-vs-ray-cooper-3-aug-13|access-date=2021-07-28|website=MMA Fighting|language=en}} However on August 4, it was announced that Sy replaced João Zeferino in the playoffs, and therefore Tibau's new opponent would be Curtis Millender.{{Cite web|date=2021-08-04|title=2021 PFL Playoffs 1 sees four matchups altered, one fight added|url=https://mmajunkie.usatoday.com/2021/08/pfl-playoffs-1-undergoes-changes-natan-schulte-out|access-date=2021-08-04|website=MMA Junkie|language=en-US}} On August 12, Millender was announced to have pulled out of the bout, so Tibau instead faced Micah Terrill.{{Cite web|title=Updated Fight Card for Tomorrow Night's Prelims!|url=https://twitter.com/pflmma/status/1425824170789638152|access-date=2021-08-12|website=Twitter|language=en}} Tibau won the bout via technical submission, choking Terrill unconscious in the first round via arm-triangle choke.{{Cite web|date=2021-08-13|title=Ray Cooper locks up PFL championship rematch against Magomed Magomedkerimov|url=https://www.espn.com/mma/story/_/id/32016651/pfl-7-live-updates-results-welterweight-lightweight-semifinals-including-rory-macdonald-ray-cooper-iii|access-date=2021-08-14|website=ESPN.com|language=en}}

Tibau faced Jarrah Al-Silawi on May 6, 2022, at PFL 3.{{Cite web |date=2022-04-05 |title=Harrison, Cooper to headline PFL3 event |url=https://www.espn.com/mma/story/_/id/33674987/two-women-lightweight-champ-kayla-harrison-men-welterweight-champ-ray-cooper-iii-headline-professional-fighters-league-2022-regular-season-opener |access-date=2022-04-05 |website=ESPN.com |language=en}} He lost the bout via controversial split decision.{{Cite web |date=2022-05-06 |title=Gleison Tibau é superado por pontos em decisão polêmica; Vanessa Melo estreia com derrota na PFL #3 |url=https://www.superlutas.com.br/noticias/188003/gleison-tibau-e-superado-por-pontos-em-decisao-polemica-vanessa-melo-estreia-com-derrota-na-pfl-3/ |access-date=2022-05-07 |website=SUPER LUTAS |language=pt-BR}}

Tibau was scheduled to face Nikolai Aleksakhin on July 1, 2022, at PFL 6.{{Cite web |date=2022-06-01 |title=Harrison gets toughest test yet vs. Budd at PFL 6 |url=https://www.espn.com/mma/story/_/id/34019101/kayla-harrison-face-tough-challenge-julia-budd-pfl-6 |access-date=2022-06-01 |website=ESPN.com |language=en}} However, Tibau pulled out of the bout and was replaced by Carlos Leal.{{Cite web |title=2022 PFL6 Fight Card Updates |url=https://twitter.com/pflmma/status/1541547558069215232 |access-date=2022-06-27 |website=Twitter |language=en}}

Tibau faced Magomed Magomedkerimov on November 25, 2022, at PFL 10.{{Cite web |last=Critchfield |first=Tristen |title=Magomed Magomedkerimov vs. Gleison Tibau Added to PFL Championships on Nov. 25 |url=https://www.sherdog.com/news/news/Magomed-Magomedkerimov-vs-Gleison-Tibau-Added-to-PFL-Championships-on-Nov-25-188289 |access-date=2022-10-26 |website=Sherdog |language=en}} He lost the bout via unanimous decision.{{Cite web |date=2022-11-25 |title=Gleison Tibau sofre com envergadura de russo e perde por pontos na PFL 10 2022 |url=https://www.superlutas.com.br/noticias/211904/gleison-tibau-sofre-com-envergadura-de-russo-e-perde-por-pontos-na-pfl-10-2022/ |access-date=2022-11-26 |website=SUPER LUTAS |language=pt-BR}}

Tibau faced Alexey Kunchenko on February 11, 2023, at RCC 14, losing the bout via unanimous decision.{{cite web |title=Тюменский боец Алексей Кунченко одержал победу над Глейсоном Тибау на турнире RCC 14 |url=https://t-l.ru/337326.html |website=t-l.ru |access-date=13 February 2023 |language=ru}}

Tibau returned to RCC at RCC 16, facing Boris Medvedev on July 28, 2023, losing the bout via TKO stoppage at the end of the first round.{{Cite web |date=2023-07-28 |title=Кунченко закончил карьеру и поблагодарил Шлеменко, экс-соперника Хабиба жестко избили. Самое интересное на турнире RCC 16 |url=https://www.sport-express.ru/martial/mma/reviews/rcc-16-kunchenko-zakonchil-kareru-boris-medvedev-pobezhdaet-gleysona-tibau-kak-proshel-turnir-v-tyumeni-2106393/ |access-date=2023-08-06 |website=sport-express.ru |language=ru}}

Tibau faced Burenzorig Batmunkh on January 21, 2024 at Top Brights 1, winning the bout via split decision.{{Cite web |last=格闘技情報を毎日配信！ |first=eFight 【イーファイト】 |title=【TOP BRIGHTS】元UFCチバウ、モンゴル空手王者に接戦勝利！肩固めで二アフィニッシュの場面も |url=https://efight.jp/result_s-20240121_1459204 |access-date=2024-02-19 |website=eFight【イーファイト】格闘技情報を毎日配信！ |date=21 January 2024 |language=ja}}

Tibau was scheduled to face Alex Oliveira in the inaugural Global Fight League event on May 24, 2025 at GFL 1.{{Cite web|url=https://www.mmamania.com/2025/3/27/24395468/gfl-1-fight-card-start-time-date-and-location-faber-vs-barao-3|title=GFL 1 fight card, start time, date and location - Faber vs. Barao 3|publisher=mmamania.com|author=Jeff Cain|date=2025-03-27|access-date=2025-03-29}} However, the first two GFL events were postponed indefinitely.{{Cite web|url=https://mmajunkie.usatoday.com/2025/04/global-fight-league-inaugural-events-canceled-may-los-angeles|title=Global Fight League's inaugural back-to-back events in May canceled|publisher=mmajunkie.usatoday.com|author=Matthew Wells, Mike Bohn and Nolan King|date=2025-04-09|access-date=2025-04-10}}

• Ultimate Fighting Championship
• Fight of the Night (One time) {{small|vs. Piotr Hallmann}}{{cite web|url=https://www.mmaweekly.com/ufc-fight-night-51-fighter-bonuses-andrei-arlovski-punches-his-way-to-50000-performance-award|title= UFC Fight Night 51 Fighter Bonuses: Andrei Arlovski Punches His Way to $50,000 Performance Award|date=September 13, 2014|publisher=mmaweekly.com}}
• Submission of the Night (One time) {{small|vs. Rafaello Oliveira}}{{cite web|url=https://mmajunkie.usatoday.com/2011/05/ufc-130-bonuses-browne-tibau-stann-and-santiago-get-70k-awards|title=UFC 130 bonuses: Browne, Tibau, Stann and Santiago get $70K awards|date=May 29, 2011|work=MMAjunkie.com}}
• Tied (Beneil Dariush) for third most wins in UFC Lightweight division history (16){{cite web|url=http://statleaders.ufc.com/?fighter_status=0&weight_class=LW|title=UFC Lightweight Stats|date=October 22, 2022|publisher=UFC}}
• Most takedowns landed in the UFC Lightweight division (84)
• Third most takedowns landed in UFC history (84){{cite web|url=http://statleaders.ufc.com/?fighter_status=0|title=UFC - All Fighters - Stats|date=January 19, 2025|publisher=UFC}}
• Most split decision wins in UFC history (5){{Cite web|url=https://bolavip.com/en/sports/top-25-most-impressive-ufc-records-20210614-0015.html|title=Octagon feats: The 25 most impressive UFC records|publisher=bolavip.com|author=rlesende|date=2023-11-10|access-date=2024-10-21}}
• Second most split decision bouts in UFC history (7){{Cite web |last=Bohn |first=Mike |date=November 3, 2015 |title=UFC Fight Night 77 pre-fight facts: Gleison Tibau – most UFC bouts in history? |url=https://mmajunkie.usatoday.com/2015/11/ufc-fight-night-77-pre-fight-facts-gleison-tibau-most-ufc-bouts-in-history|access-date=April 7, 2024 |website=MMA Junkie}} (behind Clay Guida)
• Most decision wins in UFC Lightweight division history (11)
• Tied (Joe Lauzon) for third most bouts in UFC Lightweight division history (27)
• Third most total fight time in UFC Lightweight division history (5:01:30)
• Second most control time in UFC Lightweight division history (1:39:57)
• Second most top control time in UFC Lightweight division history (1:11:30)
• Highest takedown defense percentage in UFC Lightweight division history (92.0%)

{{MMArecordbox

| draws=

| nc=

| ko-wins=4

| ko-losses=5

| sub-wins=15

| sub-losses=2

| dec-wins=20

| dec-losses=11

| dq-wins=

| dq-losses=1

| other-wins=

| other-losses=

}}

{{MMA record start}}

|-

|{{yes2}}Win

|align=center|39–19

|Joël Kouadja

|Decision (unanimous)

|Warriors Night MMA 1

|{{dts|2024|September|14}}

|align=center|3

|align=center|5:00

|Geneva, Switzerland

|{{small|Middleweight debut.}}

|-

|{{yes2}}Win

|align=center|38–19

|Burenzorig Batmunkh

|Decision (split)

|TOP BRIGHTS 01

|{{dts|2024|January|21}}

|align=center|3

|align=center|5:00

|Ōta, Japan

|

|-

|{{no2}}Loss

|align=center|37–19

|Boris Medvedev

|TKO (punches)

|RCC 16

|{{dts|2023|July|28}}

|align=center|1

|align=center|4:54

|Tyumen, Russia

|

|-

|{{no2}}Loss

|align=center|37–18

|Alexey Kunchenko

|Decision (unanimous)

|RCC 14

|{{dts|2023|February|11}}

|align=center|3

|align=center|5:00

|Tyumen, Russia

|

|-

|{{no2}}Loss

|align=center|37–17

|Magomed Magomedkerimov

|Decision (unanimous)

|PFL 10 (2022)

|{{dts|2022|November|25}}

|align=center|3

|align=center|5:00

|New York City, New York, United States

|{{small|Catchweight (175 lb) bout.}}

|-

|{{no2}}Loss

|align=center|37–16

|Jarrah Al-Silawi

|Decision (split)

|PFL 3 (2022)

|{{dts|2022|May|6}}

|align=center|3

|align=center|5:00

|Arlington, Texas, United States

|

|-

|{{yes2}}Win

|align=center|37–15

|Micah Terrill

|Technical Submission (arm-triangle choke)

|PFL 7 (2021)

|{{dts|2021|August|13}}

|align=center|1

|align=center|2:17

|Hollywood, Florida, United States

|

|-

|{{yes2}}Win

|align=center|36–15

|Rory MacDonald

|Decision (split)

|PFL 5 (2021)

|{{dts|2021|June|17}}

|align=center|3

|align=center|5:00

|Atlantic City, New Jersey, United States

|

|-

|{{no2}}Loss

|align=center|35–15

|João Zeferino

|Decision (unanimous)

|PFL 2 (2021)

|{{dts|2021|April|29}}

|align=center|3

|align=center|5:00

|Atlantic City, New Jersey, United States

|{{small|Return to Welterweight.}}

|-

|{{yes2}}Win

|align=center|35–14

|Will Brooks

|Submission (guillotine choke)

|Battlefield FC 2

|{{dts|2019|July|27}}

|align=center|1

|align=center|3:34

|Macau, SAR, China

|

|-

| {{yes2}}Win

| align=center|34–14

| Efrain Escudero

| Decision (unanimous)

| Golden Boy Promotions: Liddell vs. Ortiz 3

| {{dts|2018|November|24}}

| align=center| 3

| align=center| 5:00

| Inglewood, California, United States

| {{small|Catchweight (160 lbs) bout}}

|-

|{{no2}}Loss

|align=center|33–14

|Desmond Green

|Decision (unanimous)

|UFC Fight Night: Rivera vs. Moraes

|{{dts|2018|June|1}}

|align=center|3

|align=center|5:00

|Utica, New York, United States

|

|-

|{{no2}}Loss

|align=center|33–13

|Islam Makhachev

|KO (punch)

|UFC 220

|{{dts|2018|January|20}}

|align=center|1

|align=center|0:57

|Boston, Massachusetts, United States

|

|-

|{{no2}}Loss

|align=center|33–12

|Abel Trujillo

|DQ (overturned)

|UFC Fight Night: Belfort vs. Henderson 3

|{{dts|2015|November|7}}

|align=center|1

|align=center|1:45

|São Paulo, Brazil

|{{small|Originally a submission (rear naked choke) win for Tibau; overturned after he tested positive for erythropoietin.}}

|-

| {{no2}}Loss

| align=center| 33–11

| Tony Ferguson

| Submission (rear-naked choke)

| UFC 184

| {{dts|2015|February|28}}

| align=center|1

| align=center|2:37

| Los Angeles, California, United States

|

|-

| {{yes2}}Win

| align=center|33–10

| Norman Parke

| Decision (split)

| UFC Fight Night: McGregor vs. Siver

| {{dts|2015|January|18}}

| align=center|3

| align=center|5:00

| Boston, Massachusetts, United States

|

|-

| {{yes2}}Win

| align=center|32–10

| Piotr Hallmann

| Decision (split)

| UFC Fight Night: Bigfoot vs. Arlovski

| {{dts|2014|September|13}}

| align=center|3

| align=center|5:00

| Brasília, Brazil

| {{small|Fight of the Night.}}

|-

| {{yes2}}Win

| align=center|31–10

| Pat Healy

| Decision (unanimous)

| UFC Fight Night: Cowboy vs. Miller

| {{dts|2014|July|16}}

| align=center|3

| align=center|5:00

| Atlantic City, New Jersey, United States

|

|-

| {{no2}}Loss

| align=center|30–10

| Michael Johnson

| KO (punches)

| UFC 168

| {{dts|2013|December|28}}

| align=center|2

| align=center|1:32

| Las Vegas, Nevada, United States

|

|-

| {{yes2}}Win

| align=center|30–9

| Jamie Varner

| Decision (split)

| UFC 164

| {{dts|2013|8|31}}

| align=center|3

| align=center|5:00

| Milwaukee, Wisconsin, United States

|

|-

| {{yes2}}Win

| align=center|29–9

| John Cholish

| Submission (guillotine choke)

| UFC on FX: Belfort vs. Rockhold

| {{dts|2013|5|18}}

| align=center|2

| align=center|2:34

| Jaraguá do Sul, Brazil

|

|-

| {{no2}}Loss

| align=center|28–9

| Evan Dunham

| Decision (split)

| UFC 156

| {{dts|2013|2|2}}

| align=center|3

| align=center|5:00

| Las Vegas, Nevada, United States

|

|-

| {{yes2}}Win

| align=center|28–8

| Francisco Trinaldo

| Decision (unanimous)

| UFC 153

| {{dts|2012|10|13}}

| align=center|3

| align=center|5:00

| Rio de Janeiro, Brazil

|

|-

| {{no2}}Loss

| align=center|27–8

| Khabib Nurmagomedov

| Decision (unanimous)

| UFC 148

| {{dts|2012|7|7}}

| align=center|3

| align=center|5:00

| Las Vegas, Nevada, United States

|

|-

| {{yes2}}Win

| align=center|27–7

| Rafael dos Anjos

| Decision (split)

| UFC 139

| {{dts|2011|11|19}}

| align=center|3

| align=center|5:00

| San Jose, California, United States

|

|-

| {{yes2}}Win

| align=center|26–7

| Rafaello Oliveira

| Submission (rear-naked choke)

| UFC 130

| {{dts|2011|5|28}}

| align=center|2

| align=center|3:28

| Las Vegas, Nevada, United States

| {{small|Submission of the Night.}}

|-

| {{yes2}}Win

| align=center|25–7

| Kurt Pellegrino

| Decision (split)

| UFC 128

| {{dts|2011|3|19}}

| align=center|3

| align=center|5:00

| Newark, New Jersey, United States

|

|-

| {{no2}}Loss

| align=center|24–7

| Jim Miller

| Decision (unanimous)

| UFC Fight Night: Marquardt vs. Palhares

| {{dts|2010|9|15}}

| align=center|3

| align=center|5:00

| Austin, Texas, United States

|

|-

| {{yes2}}Win

| align=center|24–6

| Caol Uno

| TKO (punches)

| UFC Fight Night: Florian vs. Gomi

| {{dts|2010|3|31}}

| align=center|1

| align=center|4:13

| Charlotte, North Carolina, United States

|

|-

| {{yes2}}Win

| align=center|23–6

| Josh Neer

| Decision (unanimous)

| UFC 104

| {{dts|2009|10|24}}

| align=center|3

| align=center|5:00

| Los Angeles, California, United States

| {{small|Catchweight (157 lbs) bout; both fighters missed weight.}}

|-

| {{no2}}Loss

| align=center|22–6

| Melvin Guillard

| Decision (split)

| The Ultimate Fighter: United States vs. United Kingdom Finale

| {{dts|2009|6|20}}

| align=center|3

| align=center|5:00

| Las Vegas, Nevada, United States

|

|-

| {{yes2}}Win

| align=center|22–5

| Jeremy Stephens

| Decision (unanimous)

| UFC Fight Night: Condit vs. Kampmann

| {{dts|2009|4|1}}

| align=center|3

| align=center|5:00

| Nashville, Tennessee, United States

| {{small|Catchweight (158 lbs) bout; both fighters missed weight.}}

|-

| {{yes2}}Win

| align=center|21–5

| Rich Clementi

| Submission (guillotine choke)

| UFC Fight Night: Lauzon vs. Stephens

| {{dts|2009|2|7}}

| align=center|1

| align=center|4:35

| Tampa, Florida, United States

|

|-

| {{no2}}Loss

| align=center|20–5

| Joe Stevenson

| Submission (guillotine choke)

| UFC 86

| {{dts|2008|7|5}}

| align=center|2

| align=center|2:57

| Las Vegas, Nevada, United States

|

|-

| {{no2}}Loss

| align=center|20–4

| Tyson Griffin

| Decision (unanimous)

| UFC 81

| {{dts|2008|2|2}}

| align=center|3

| align=center|5:00

| Las Vegas, Nevada, United States

|

|-

| {{yes2}}Win

| align=center|20–3

| Terry Etim

| Decision (unanimous)

| UFC 75

| {{dts|2007|9|8}}

| align=center|3

| align=center|5:00

| London, England

|

|-

| {{yes2}}Win

| align=center|19–3

| Jeff Cox

| Submission (arm-triangle choke)

| UFC Fight Night: Stout vs. Fisher

| {{dts|2007|6|12}}

| align=center|1

| align=center|1:52

| Hollywood, Florida, United States

|

|-

| {{yes2}}Win

| align=center|18–3

| Antonio Moreno

| TKO (punches)

| Nordest Combat Championship

| {{dts|2007|5|9}}

| align=center|1

| align=center|0:55

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center|17–3

| Jason Dent

| Decision (unanimous)

| UFC 68

| {{dts|2007|3|3}}

| align=center|3

| align=center|5:00

| Columbus, Ohio, United States

| {{small|Lightweight debut.}}

|-

| {{no2}}Loss

| align=center|16–3

| Nick Diaz

| TKO (punches)

| UFC 65

| {{dts|2006|11|18}}

| align=center|2

| align=center|2:27

| Sacramento, California, United States

| {{small|Welterweight bout.}}

|-

| {{yes2}}Win

| align=center| 16–2

| Jędrzej Kubski

| Submission (rear-naked choke)

| KO Arena 4

| {{dts|2006|3|11}}

| align=center| 1

| align=center| 1:03

| Málaga, Spain

|

|-

| {{yes2}}Win

| align=center| 15–2

| Edilson Florencio

| Submission (triangle choke)

| Mega Combate Mossoró

| {{dts|2005|12|2}}

| align=center| 1

| align=center| 3:26

| Mossoró, Brazil

|

|-

| {{yes2}}Win

| align=center| 14–2

| Fabrício Camões

| Submission (rear-naked choke)

| Meca World Vale Tudo 12

| {{dts|2005|7|9}}

| align=center| 1

| align=center| 2:15

| Rio de Janeiro, Brazil

|

|-

| {{no2}}Loss

| align=center| 13–2

| Marcelo Brito

| Decision (unanimous)

| Storm Samurai 7

| {{dts|2005|6|11}}

| align=center| 3

| align=center| 5:00

| Curitiba, Brazil

|

|-

| {{yes2}}Win

| align=center| 13–1

| Josenildo Rodrigues

| Decision (unanimous)

| Ceara Open 2

| {{dts|2005|3|10}}

| align=center| 3

| align=center| 5:00

| Fortaleza, Brazil

|

|-

| {{yes2}}Win

| align=center| 12–1

| Anderson Cruz

| KO (punches)

| Octagon Fight

| {{dts|2005|2|24}}

| align=center| 1

| align=center| N/A

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center| 11–1

| Josenildo Ramalho

| Submission (armbar)

| Brazilian Challenger 2

| {{dts|2004|10|21}}

| align=center| 1

| align=center| N/A

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center| 10–1

| Carlos Alexandre Pereira

| Submission (rear-naked choke)

| Champions Night 11

| {{dts|2004|10|7}}

| align=center| 1

| align=center| 1:16

| Fortaleza, Brazil

|

|-

| {{yes2}}Win

| align=center| 9–1

| Adriano Martins

| Decision (unanimous)

| Amazon Fight

| {{dts|2004|6|20}}

| align=center| 3

| align=center| 5:00

| Manaus, Brazil

|

|-

| {{yes2}}Win

| align=center| 8–1

| Daniel Muralha

| Submission (armbar)

| Champions Night 10

| {{dts|2004|5|21}}

| align=center| 1

| align=center| N/A

| Marília, Brazil

|

|-

| {{yes2}}Win

| align=center| 7–1

| Romario da Silva

| Submission (rear-naked choke)

| Desafio: Natal vs Nordeste

| {{dts|2004|3|9}}

| align=center| 1

| align=center| 2:30

| Natal, Brazil

|

|-

| {{no2}}Loss

| align=center| 6–1

| Eiji Mitsuoka

| TKO (corner stoppage)

| DEEP: 11th Impact

| {{dts|2003|7|13}}

| align=center| 2

| align=center| 3:41

| Osaka, Japan

| {{small|Welterweight bout.}}

|-

| {{yes2}}Win

| align=center| 6–0

| Fernando Terere

| Decision (split)

| Bitetti Combat Nordeste 2

| {{dts|2003|3|20}}

| align=center| 3

| align=center| 5:00

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center| 5–0

| Unknown Fighter

| Submission (americana)

| Tibau Fight

| {{dts|2003|1|11}}

| align=center| 1

| align=center| 0:00

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center| 4–0

| Paulo Boiko

| Decision (unanimous)

| Bitetti Combat Nordeste 1

| {{dts|2002|11|28}}

| align=center| 3

| align=center| 5:00

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center| 3–0

| Thiago Alves

| Submission (armbar)

| Champions Night 2

| {{dts|2001|6|30}}

| align=center| 2

| align=center| 3:31

| Natal, Brazil

|

|-

| {{yes2}}Win

| align=center| 2–0

| Rivanio Regiz

| Decision (unanimous)

| Currais Novos Vale Tudo Open

| {{dts|2000|5|18}}

| align=center| 3

| align=center| 5:00

| Currais Novos, Brazil

|

|-

| {{yes2}}Win

| align=center| 1–0

| Ricardo Ricardo

| TKO (retirement)

| Mossoro Open de Vale Tudo 3

| {{dts|1999|12|24}}

| align=center| 1

| align=center| N/A

| Natal, Brazil

|

{{end}}

{{Cite web|url=http://www.sherdog.com/fighter/Gleison-Tibau-5993|title=Gleison Tibau MMA Stats, Pictures, News, Videos, Biography - Sherdog.com|last=Sherdog.com|website=Sherdog|access-date=2018-11-25}}

• List of male mixed martial artists

{{Reflist|30em}}

• [https://www.pflmma.com/fighter/gleison-tibau Gleison Tibau] at PFL
• {{UFC|gleison-tibau}}
• {{Sherdog|5993}}

{{DEFAULTSORT:Tibau, Gleison}}

Category:Brazilian practitioners of Brazilian jiu-jitsu

Category:People awarded a black belt in Brazilian jiu-jitsu

Category:Brazilian male sport wrestlers

Category:Brazilian male mixed martial artists

Category:Brazilian sportspeople in doping cases

Category:Doping cases in mixed martial arts

Category:Lightweight mixed martial artists

Category:Mixed martial artists utilizing Brazilian jiu-jitsu

Category:Mixed martial artists utilizing wrestling

Category:Martial artists from Rio Grande do Norte

Category:Brazilian expatriate sportspeople in the United States

Category:Living people

Category:1983 births

Category:Sportspeople from Coconut Creek, Florida

Category:Ultimate Fighting Championship male fighters

Category:21st-century Brazilian sportsmen