UFC rivalries turn individual fights into eras, fueled by personal stakes, title implications, and lasting grudges that fans still debate. These matchups produced iconic moments, record pay-per-view numbers, and reshaped divisions. Vote for the ones that defined the sport for you.
What counts: 'Best' ranks by fight quality, cultural resonance, competitive balance, and long-term legacy impact. Figures are approximate.
Anderson Silva vs Chael Sonnen▲ Rising
Sonnen's 2010 title challenge exposed Silva's vulnerability for four-and-a-half rounds before the triangle finish, then the 2012 rematch cemented the narrative of the ultimate underdog. Their war of words and near-upsets created the most compelling middleweight story of the 2010s.
Fights: 2Span: 2010-2012Intensity: 9/10Title Fights: 2Legacy Impact: 9/10
added by IJR
Jon Jones vs Daniel Cormier▲ Rising
Jones and Cormier traded light-heavyweight gold across three brutal encounters that began with Olympic-level wrestling clashes and ended in Jones' armbar submission. The 2015 title fight and its rematches split the division and defined an era of trash talk turned respect. Their saga remains the benchmark for sustained elite rivalry.
Fights: 3Span: 2015-2018Intensity: 9/10Title Fights: 3Legacy Impact: 10/10
added by IJR
Conor McGregor vs Khabib Nurmagomedov▲ Rising
The 2018 super-fight capped years of social-media warfare with Khabib's dominant mauling and the infamous octagon invasion. It delivered the biggest PPV in UFC history and settled the pound-for-pound debate for a generation. No other single bout carried comparable global weight.
Fights: 1Span: 2018Intensity: 10/10Title Fights: 1Legacy Impact: 10/10
added by IJR
Chuck Liddell vs Randy Couture▲ Rising
Three fights between 2003 and 2006 saw Couture's wrestling repeatedly tested against Liddell's power, producing two title changes and the original UFC super-fight trilogy. Their rivalry launched the modern heavyweight era.
Fights: 3Span: 2003-2006Intensity: 8/10Title Fights: 3Legacy Impact: 9/10
added by IJR
Tito Ortiz vs Ken Shamrock▲ Rising
The 2002 and 2006 light-heavyweight bouts between the 'Huntington Beach Bad Boy' and the 'World's Most Dangerous Man' delivered raw emotion and two of the earliest UFC superfights.
Fights: 2Span: 2002-2006Intensity: 7/10Title Fights: 1Legacy Impact: 7/10
added by IJR
Georges St-Pierre vs B.J. Penn▲ Rising
GSP defended welterweight gold against the former lightweight king in 2009, then again in 2010, showcasing wrestling dominance that ended Penn's title hopes. The pair's stylistic contrast and mutual respect produced two masterclasses in control.
Fights: 2Span: 2009-2010Intensity: 8/10Title Fights: 2Legacy Impact: 9/10
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Dominick Cruz vs Urijah Faber▲ Rising
Cruz's footwork and counter-striking repeatedly frustrated Faber across three bantamweight clashes from 2011 to 2016, including two title fights. The in-state California rivalry highlighted technical evolution at 135 lbs.
Fights: 3Span: 2011-2016Intensity: 7/10Title Fights: 2Legacy Impact: 8/10
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Kamaru Usman vs Colby Covington
Former teammates turned bitter rivals fought twice at welterweight in 2019 and 2021, with Usman's wrestling securing both victories and cementing his championship reign.
Fights: 2Span: 2019-2021Intensity: 8/10Title Fights: 2Legacy Impact: 8/10
added by IJR
Jose Aldo vs Frankie Edgar▲ Rising
Edgar's relentless pressure tested Aldo's featherweight reign across two closely contested decisions in 2012 and 2013. The series showcased Edgar's heart and Aldo's technical edge in the division's formative years.
Fights: 2Span: 2012-2013Intensity: 8/10Title Fights: 2Legacy Impact: 8/10
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Amanda Nunes vs Valentina Shevchenko
Three title fights between 2017 and 2021 saw Nunes' power repeatedly tested by Shevchenko's precision, solidifying both as all-time greats in the women's divisions.
Fights: 3Span: 2017-2021Intensity: 8/10Title Fights: 3Legacy Impact: 9/10
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Junior dos Santos vs Cain Velasquez▲ Rising
Three heavyweight title fights from 2011 to 2013 showcased Velasquez's wrestling against dos Santos' boxing in a trilogy that defined the division's peak era.
Fights: 3Span: 2011-2013Intensity: 8/10Title Fights: 3Legacy Impact: 8/10
added by IJR
Israel Adesanya vs Yoel Romero▲ Rising
The 2019 middleweight title fight featured Romero's terrifying power against Adesanya's movement, creating one of the most discussed five-round decisions in UFC history.
Fights: 1Span: 2019Intensity: 8/10Title Fights: 1Legacy Impact: 7/10
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Francis Ngannou vs Stipe Miocic▲ Rising
The 2018 and 2021 heavyweight title fights pitted Ngannou's raw power against Miocic's experience, culminating in one of the most dramatic knockouts in UFC history.
Fights: 2Span: 2018-2021Intensity: 9/10Title Fights: 2Legacy Impact: 8/10
added by IJR
Robbie Lawler vs Rory MacDonald
The 2015 welterweight title war and its 2018 sequel produced some of the most savage striking exchanges in UFC history, with Lawler's experience prevailing in both.
Fights: 2Span: 2015-2018Intensity: 9/10Title Fights: 1Legacy Impact: 8/10
added by IJR
Dustin Poirier vs Conor McGregor
The 2014 and 2021 lightweight bouts, plus the 2019 trilogy fight, featured McGregor's power against Poirier's boxing in a rivalry that produced two of McGregor's biggest career setbacks.
Fights: 3Span: 2014-2021Intensity: 8/10Title Fights: 0Legacy Impact: 8/10
added by IJR
Henry Cejudo vs Demetrious Johnson
The 2018 flyweight title fight saw Cejudo's wrestling dethrone the long-reigning Johnson in a passing-of-the-torch moment.
Fights: 1Span: 2018Intensity: 7/10Title Fights: 1Legacy Impact: 7/10
added by IJR
Dustin Poirier vs Justin Gaethje
Their 2018 and 2021 lightweight wars delivered back-and-forth violence that crowned Poirier the interim champion and produced Fight of the Year contenders.
Fights: 2Span: 2018-2021Intensity: 9/10Title Fights: 1Legacy Impact: 8/10
added by IJR
Alexander Volkanovski vs Max Holloway▲ Rising
Three featherweight title fights from 2019 to 2023 saw Volkanovski's well-rounded game repeatedly overcome Holloway's legendary pace in a modern classic series.
Fights: 3Span: 2019-2023Intensity: 8/10Title Fights: 3Legacy Impact: 9/10
added by IJR
Max Holloway vs Brian Ortega
The 2018 featherweight title war and its 2022 sequel showcased Holloway's volume against Ortega's submission threat in two of the division's most exciting recent bouts.
Fights: 2Span: 2018-2022Intensity: 8/10Title Fights: 1Legacy Impact: 7/10
added by IJR
Khabib Nurmagomedov vs Dustin Poirier▼ Falling
The 2019 lightweight title fight featured Khabib's grappling dominance over Poirier's striking in a bout that highlighted Khabib's undefeated run.
Fights: 1Span: 2019Intensity: 8/10Title Fights: 1Legacy Impact: 8/10
added by IJR
Tony Ferguson vs Justin Gaethje
The 2020 interim title fight delivered Ferguson's unorthodox style against Gaethje's power in a bloody war that ended Ferguson's long win streak.
Fights: 1Span: 2020Intensity: 9/10Title Fights: 1Legacy Impact: 7/10
added by IJR
Robert Whittaker vs Yoel Romero▼ Falling
The 2017 and 2019 middleweight title fights featured Romero's explosive athleticism against Whittaker's boxing in two of the division's most competitive bouts.
Fights: 2Span: 2017-2019Intensity: 8/10Title Fights: 2Legacy Impact: 7/10
added by IJR
Cody Garbrandt vs Dominick Cruz
The 2016 bantamweight title fight and 2017 rematch saw Garbrandt's power end Cruz's reign before Cruz's experience prevailed in the sequel.
Fights: 2Span: 2016-2017Intensity: 8/10Title Fights: 1Legacy Impact: 7/10
added by IJR
Chris Weidman vs Anderson Silva▼ Falling
The 2013 middleweight title fight ended Silva's long reign with a shocking knockout, creating an instant legacy moment despite the controversial rematch.
Fights: 2Span: 2013Intensity: 8/10Title Fights: 2Legacy Impact: 8/10
added by IJR
Michael Bisping vs Luke Rockhold▼ Falling
The 2016 middleweight title fight produced Bisping's iconic upset knockout, capping a rivalry built on years of verbal sparring.
Fights: 1Span: 2016Intensity: 8/10Title Fights: 1Legacy Impact: 7/10
added by IJR
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The criteria line matters here. Read it before you vote or you're arguing about a different list.
Came for the argument, stayed for the comparison grid. The numbers settle half the fights here.
This is the most honest version of this ranking I've seen anywhere. The pros and cons are fair.
Voted, but this order is going to look very different in a month once more people find it.
Jon Jones vs Daniel Cormier at the top is the correct call and I'll die on this hill.
Wild that Jon Jones vs Daniel Cormier is winning this. Scroll down — the real answer is further down the board.