ONE 173
{{short description|Combat sport events in 2025}}
{{Infobox MMA event
|name=ONE 173: Denver
|image=
|image_size=
|promotion=ONE Championship
|date={{start date|2025|08|01}}
|venue=Ball Arena
|city=Denver, Colorado, United States
|previousevent= ONE Fight Night 31
|followingevent= ONE Fight Night 33
}}
ONE 173: Denver is an upcoming combat sports event produced by ONE Championship that will take place on August 1, 2025, at Ball Arena in Denver, Colorado, United States.{{Cite web |date=2025-02-28 |title=ONE 173: Denver Announced For August 1; Features Stamp vs. Zamboanga World Title Unification Fight
|url=https://www.onefc.com/news/one-173-denver-announced-for-august-1-features-stamp-vs-zamboanga-world-title-unification-fight/ |access-date=2025-02-28 |website=ONE Championship – The Home Of Martial Arts |language=en-US}}{{Cite web |date=2025-02-27 |title=ONE Championship Returns to Denver with Stamp vs. Zamboanga Headlining ONE 173
|url=https://combatpress.com/2025/02/one-championship-returns-to-denver-with-stamp-vs-zamboanga-headlining-one-173/ |access-date=2025-02-28 |website=Combat Press |language=en-US}}{{Cite web |last=Staff |date=2025-02-27 |title=ONE 173 Booked for Colorado in August, Atomweight Title Unification Bout Featured
|url=https://cagesidepress.com/2025/02/27/one-173-booked-colorado-atomweight-title/ |access-date=2025-02-28 |website=Cageside Press |language=en-US}}
Background
The event will mark the promotion's second visit to Denver and third held in United States, since ONE 168 in September 2024.{{Cite web |date=2025-02-27 |title=ONE Championship returns to United States for ONE 173, featuring Stamp vs. Zamboanga
|url=https://www.si.com/fannation/mma/news/one-championship-returns-to-united-states-one-173-featuring-stamp-vs-zamboanga |access-date=2025-02-28 |website=MMA Knockout On SI |language=en-US}}
The event is scheduled to be headline by a ONE Women's Atomweight World Championship unification bout between current champion (also a former ONE Women's Atomweight Muay Thai and Kickboxing World Champion) Stamp Fairtex and interim champion Denice Zamboanga.{{Cite web |last=Martin |first=Damon |date=2025-02-27 |title=Stamp Fairtex returns for title unification bout against Denice Zamboanga at ONE 173 in Denver
|url=https://www.mmafighting.com/2025/2/27/24373652/stamp-fairtex-returns-for-title-unification-bout-against-denice-zamboanga-at-one-173-in-denver |access-date=2025-02-28 |website=MMA Fighting |language=en}}
Fight card
{{MMAevent}}
{{MMAevent card|Fight card (Amazon Prime Video)}}
{{MMAevent bout
|Women's Atomweight
|Stamp Fairtex (c)
|vs.
|Denice Zamboanga (ic)
|
|
|
|For the ONE Women's Atomweight World Championship.
}}
{{MMAevent bout
|Bantamweight Muay Thai
|vs.
|
|
|
|
}}
{{MMAevent bout
|Middleweight Submission Grappling
|vs.
|
|
|
|
}}
{{MMAevent end|notes=yes}}
{{Cite web |title=ONE 173: Denver
|url=https://www.onefc.com/events/one173/ |access-date=2025-02-28 |website=ONE Championship – The Home Of Martial Arts |language=en-US}}
See also
{{Portal|Martial Arts}}