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Welterweight (170 lbs)

GSP's nine title defenses, the Hughes-Penn era, and the modern Usman-Edwards-Muhammad bracket.

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The division

UFC Welterweight is 155.1 to 170 lbs. The most-defended title division in UFC history through the Georges St-Pierre era. ONE, Bellator, and PFL all use 170 lbs as the WW cap (with ONE's hydration-tested weight cuts producing fighters who are physically equivalent to UFC middleweights).

The UFC champion lineage (selected)

  • 1998-2001: Pat Miletich (the Miletich Fighting Systems era)
  • 2001-2003 and 2004-2006: Matt Hughes — seven title defenses across two reigns
  • 2004: BJ Penn — won and vacated
  • 2006-2007: Georges St-Pierre (first reign), then Matt Serra
  • 2008-2013: GSP (second reign) — nine consecutive title defenses, the longest WW reign in UFC history
  • 2014-2015: Johny Hendricks → Robbie Lawler — two-bout transition era
  • 2015-2016: Robbie Lawler — three defenses
  • 2016-2017: Tyron Woodley — three defenses
  • 2017-2019: Kamaru Usman vs Colby Covington vs Tyron Woodley — division churn
  • 2019-2022: Kamaru Usman — five consecutive defenses (most in modern WW history)
  • 2022-2024: Leon Edwards — three defenses
  • 2024-present: Belal Muhammad

The GSP era (2006-2013)

GSP's welterweight reign is the most-defended in UFC history. Nine consecutive title defenses, plus the brief first-reign win and the comeback to win the middleweight title at UFC 217. The complete title-bout list:

  • Won title from Matt Hughes (UFC 65, November 2006)
  • Lost title to Matt Serra (UFC 69, April 2007)
  • Regained title from Matt Serra (UFC 83, April 2008)
  • Defended vs Jon Fitch (UFC 87, August 2008)
  • Defended vs BJ Penn (UFC 94, January 2009)
  • Defended vs Thiago Alves (UFC 100, July 2009)
  • Defended vs Dan Hardy (UFC 111, March 2010)
  • Defended vs Josh Koscheck (UFC 124, December 2010)
  • Defended vs Jake Shields (UFC 129, April 2011)
  • Defended vs Carlos Condit (UFC 154, November 2012)
  • Defended vs Nick Diaz (UFC 158, March 2013)
  • Defended vs Johny Hendricks (UFC 167, November 2013, controversial UD)
  • Vacated the title in December 2013
  • Returned at UFC 217 (November 2017) to win the middleweight title from Michael Bisping
  • Vacated permanently in 2019

The GOAT case

Georges St-Pierre is the consensus all-time welterweight #1. The nine-defense reign, the two-division championship, the strict-game-plan ethic that produced the post-Serra mental-preparation refinement, and the cultural impact (the post-2008 "career-management" template for UFC champions) combine into a case no other welterweight matches.

Distant second: Matt Hughes (seven defenses across two reigns, the Miletich Fighting Systems pioneer) and Kamaru Usman (five defenses, the Trevor Wittman striking evolution).

The Usman-Edwards trilogy and the post-2022 era

The Usman-Edwards trilogy (UFC on Fox 17 December 2015, UFC 278 August 2022, UFC 286 March 2023) framed the post-GSP welterweight era. Edwards's head-kick KO at UFC 278 with 56 seconds left in round 5 — when he was losing on all three judges' scorecards — is one of the most-replayed comebacks in title-fight history.

Edwards then defended three times before losing to Belal Muhammad at UFC 304 (July 2024). Muhammad's current championship is the longest active welterweight reign as of mid-2025.

The post-Muhammad title picture (2025)

The credible welterweight contenders heading into late 2025:

  • Shavkat Rakhmonov — undefeated grappler/striker hybrid with the deepest finishing rate among contenders.
  • Ian Machado Garry — Irish striker with the rising title-shot momentum.
  • Sean Brady — the BJJ specialist who beat Leon Edwards at UFC London 2025.
  • Joaquin Buckley — the highlight-reel KO finisher who beat Kamaru Usman in November 2024.
  • Khamzat Chimaev (now middleweight) — historically a welterweight contender if he returns to 170.

Notable bouts

  • Matt Hughes vs Carlos Newton (UFC 34, November 2001): the slam-KO that ended the triangle-choke setup.
  • Georges St-Pierre vs Matt Serra 1 (UFC 69, April 2007): the title-losing upset that drove GSP's career-defining mental-preparation reset.
  • Georges St-Pierre vs Jake Shields (UFC 129, April 2011): the bout that revealed the GSP eye-poke history.
  • Robbie Lawler vs Rory MacDonald 2 (UFC 189, July 2015): one of the most-violent welterweight title fights in UFC history.
  • Kamaru Usman vs Colby Covington 1 (UFC 245, December 2019): the title-defense finish where Covington's broken jaw set up the round-5 TKO.
  • Kamaru Usman vs Jorge Masvidal 2 (UFC 261, April 2021): the right-hand KO that confirmed Usman's striking development.
  • Leon Edwards vs Kamaru Usman 2 (UFC 278, August 2022): the round-5 head-kick KO comeback.

The welterweight division's combination of GSP's dominance and the modern Usman-Edwards-Muhammad bracket makes it one of the most-watched MMA divisions historically.

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