CoreJJ

{{Short description|South Korean esports player (born 1994)}}

{{Family name hatnote|Jo||lang=Korean}}

{{Infobox Pro Gaming player

| ID = CoreJJ

| name = Jo Yong-in

| name_trans =

| image = CoreJJ, NA LCS 2015 Summer Split Week 6 Day 2.jpg

| caption = Jo in 2015

| birth_date = {{birth date and age|1994|06|22|df=y}}

| nationality = South Korean

| team = Team Liquid

| role = Support

| league = LCS

| games = League of Legends

| nickname =

| years1 = 2014–2015

| team1 = Dignitas

| years2 = 2015–2017

| team2 = Samsung Galaxy

| years3 = 2017–2018

| team3 = Gen.G{{efn|Known as KSV eSports from November 2017 to May 2018.}}

| years4 = 2018–present

| team4 = Team Liquid

| highlights = * World champion (2017)

• 3× LCS champion
• 2× LCS MVP
• 6× LCS All–Pro First Team
• 2× LCS Lock in Champion
• IEM champion (2016)

| module = {{Infobox medal templates

| medals =

{{MedalSport|Esports}}

{{MedalCountry | {{KOR}} }}

{{MedalCompetition|Asian Games}}

{{MedalSilver|2018 Indonesia|}}

| titlestyle = background:#DDDDDD; font-weight:bold

| expand = yes

}}

}}

Jo Yong-in ({{langx|ko|조용인}}), better known as CoreJJ, is a South Korean League of Legends player who is the support for Team Liquid of the League of Legends Championship of The Americas (LTA).{{Cite web|url=https://www.espn.com/esports/story/_/id/29811326/team-liquid-corejj-wins-lcs-mvp|title=Team Liquid's CoreJJ wins LCS MVP|date=September 4, 2020|website=ESPN.com}}{{Cite web|url=https://www.invenglobal.com/articles/6786/team-liquid-signs-corejj|title=League of Legends: Team Liquid Signs CoreJJ|date=November 20, 2018|website=InvenGlobal}} He won the 2017 World Championship with Samsung Galaxy. He was named MVP of the 2020 LCS Summer Split.{{Cite web|url=https://www.invenglobal.com/articles/12166/team-liquid-corejj-wins-mvp-of-the-2020-lcs-summer-split|title=League of Legends: Team Liquid CoreJJ wins MVP of the 2020 LCS Summer Split|date=September 4, 2020|website=InvenGlobal}} He received his green card in February 2022.{{cite web |title=CoreJJ has acquired his green card, according to Riot’s Global Contract Database |url=https://dotesports.com/league-of-legends/news/corejj-has-acquired-his-green-card-according-to-riots-global-contract-database |website=Dotesports |access-date=20 February 2022}}