Iconic knockouts define boxing's drama and legacy, separating legends from contenders in split-second moments that echo for decades. From heavyweight clashes to middleweight wars, these finishes shaped careers and eras. Vote to rank the greatest.
What counts: Best means the most iconic, dramatic, and historically significant knockouts based on impact and memorability. Figures are approximate.
Ali Phantom Punch vs Liston (1965)▲ Rising
Muhammad Ali dropped Sonny Liston with a lightning right hand in the first round, ending the rematch in under two minutes. The controversial finish cemented Ali's status as the new king and produced one of boxing's most debated images. It launched the greatest era in heavyweight history.
Year: 1965Round: 1Opponent: Sonny ListonSeconds: 120Legacy Impact: 10/10
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Tyson vs Berbick (1986)▲ Rising
Mike Tyson overwhelmed Trevor Berbick with a furious barrage, dropping him three times in the second round to claim the WBC title at age 20. The explosive finish announced the arrival of a new era's most feared puncher. It remains the youngest heavyweight title win highlight.
Year: 1986Round: 2Opponent: Trevor BerbickSeconds: 145Legacy Impact: 9/10
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Foreman vs Frazier (1973)▲ Rising
George Foreman battered Joe Frazier with repeated knockdowns, finishing him in the second round to seize the heavyweight crown. The relentless power display ended Frazier's prime and signaled a new monster in the division. It produced one of the most one-sided title fights ever.
Year: 1973Round: 2Opponent: Joe FrazierSeconds: 140Legacy Impact: 9/10
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Dempsey vs Willard (1919)▲ Rising
Jack Dempsey mauled Jess Willard with seven first-round knockdowns, breaking bones and claiming the heavyweight title in brutal fashion. The savage beating shocked the boxing world and launched Dempsey's legend. It remains one of the most one-sided title fights recorded.
Year: 1919Round: 3Opponent: Jess WillardSeconds: —Legacy Impact: 8/10
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Hagler vs Hearns (1985)▲ Rising
Marvelous Marvin Hagler traded bombs with Thomas Hearns before a savage right hand ended it in the third round. The fight's first two rounds were non-stop action that set up the dramatic finish. It stands as the gold standard for middleweight warfare.
Year: 1985Round: 3Opponent: Thomas HearnsSeconds: 150Legacy Impact: 9/10
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Holyfield vs Tyson (1997)▲ Rising
Evander Holyfield stopped Mike Tyson in the 11th round after surviving early pressure, but the ear-bite incident overshadowed the finish. The victory solidified Holyfield as the division's top dog. It produced one of boxing's most infamous moments.
Year: 1997Round: 11Opponent: Mike TysonSeconds: —Legacy Impact: 7/10
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Pryor vs Arguello (1982)
Aaron Pryor dropped Alexis Arguello with a crushing right in the 14th round to retain his junior welterweight title in a classic war. The late finish capped one of the decade's greatest fights and ended Arguello's comeback. It showcased Pryor's relentless pressure.
Year: 1982Round: 14Opponent: Alexis ArguelloSeconds: 130Legacy Impact: 8/10
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Louis vs Schmeling (1938)▲ Rising
Joe Louis destroyed Max Schmeling in the first round, avenging his only loss and becoming an American hero. The brutal finish symbolized national pride in a tense pre-war era. It remains one of the most politically charged knockouts.
Year: 1938Round: 1Opponent: Max SchmelingSeconds: 124Legacy Impact: 8/10
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Johnson vs Jeffries (1910)
Jack Johnson battered former champion Jim Jeffries in the 15th round, forcing a stoppage that confirmed him as the first Black heavyweight king. The finish ended racial tension around the title and changed boxing forever. It stands as a landmark moment.
Year: 1910Round: 15Opponent: Jim JeffriesSeconds: —Legacy Impact: 8/10
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Norton vs Foreman (1974)
George Foreman knocked out Ken Norton in the second round with devastating power, setting up his famous Ali fight. The finish highlighted Foreman's prime dominance after the Frazier win. It kept his title reign rolling.
Year: 1974Round: 2Opponent: Ken NortonSeconds: 110Legacy Impact: 7/10
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Marciano vs Walcott (1952)▲ Rising
Rocky Marciano knocked out Jersey Joe Walcott with a short right hand in the 13th round to win the heavyweight title. The dramatic punch ended a war and launched Marciano's undefeated reign. It remains one of boxing's greatest single shots.
Year: 1952Round: 13Opponent: Jersey Joe WalcottSeconds: 43Legacy Impact: 8/10
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Chavez vs Taylor (1990)
Julio Cesar Chavez stopped Meldrick Taylor with seconds left in the 12th round to unify junior welterweight titles. The dramatic late surge overcame a points deficit and became an instant classic. It defined Chavez's legendary pressure style.
Year: 1990Round: 12Opponent: Meldrick TaylorSeconds: 2Legacy Impact: 8/10
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Robinson vs LaMotta (1951)▼ Falling
Sugar Ray Robinson stopped Jake LaMotta in the 13th round of their sixth fight, ending the Raging Bull's career in brutal fashion. The finish capped one of boxing's greatest rivalries. It showcased Robinson's peak dominance.
Year: 1951Round: 13Opponent: Jake LaMottaSeconds: —Legacy Impact: 7/10
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Bowe vs Holyfield (1992)
Riddick Bowe defeated Evander Holyfield by decision in a war, but the trilogy lacked a single signature knockout, so it is omitted here.
Year: 1992Round: 12Opponent: Evander HolyfieldSeconds: —Legacy Impact: 0/10
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Ward vs Gatti (2002)▲ Rising
Micky Ward and Arturo Gatti produced a trilogy of wars, but the first fight ended by decision without a knockout, so it is not ranked here.
Year: 2002Round: 10Opponent: Arturo GattiSeconds: —Legacy Impact: 0/10
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Leonard vs Hearns (1989)
Sugar Ray Leonard stopped Thomas Hearns in the 12th round with a barrage that forced the referee to intervene. The dramatic comeback victory unified titles and capped Leonard's legendary career arc. It delivered the long-awaited rematch payoff.
Year: 1989Round: 12Opponent: Thomas HearnsSeconds: 170Legacy Impact: 8/10
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Mayweather vs De La Hoya (2007)
Floyd Mayweather outpointed Oscar De La Hoya but the fight lacked a knockout, so it is not included here.
Year: 2007Round: 12Opponent: Oscar De La HoyaSeconds: —Legacy Impact: 0/10
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Pacquiao vs Hatton (2009)
Manny Pacquiao knocked out Ricky Hatton in the second round with a left hand, ending the British star's prime in devastating fashion. The finish announced Pacquiao's arrival at welterweight. It remains one of his most explosive performances.
Year: 2009Round: 2Opponent: Ricky HattonSeconds: 140Legacy Impact: 7/10
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Spinks vs Tyson (1988)
Mike Tyson knocked out Michael Spinks in 91 seconds to unify the heavyweight titles. The quick finish ended Spinks' undefeated record and confirmed Tyson's dominance. It remains one of the fastest title unifications.
Year: 1988Round: 1Opponent: Michael SpinksSeconds: 91Legacy Impact: 7/10
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Usyk vs Joshua (2021)
Oleksandr Usyk outpointed Anthony Joshua to win the heavyweight titles but the fight ended by decision, so it is not included here.
Year: 2021Round: 12Opponent: Anthony JoshuaSeconds: —Legacy Impact: 0/10
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Cotto vs Margarito (2008)
Miguel Cotto stopped Antonio Margarito in the 11th round to claim the welterweight title in a bloody war. The finish overcame Margarito's size and hand-wrapping controversy. It marked Cotto's biggest career win.
Year: 2008Round: 11Opponent: Antonio MargaritoSeconds: —Legacy Impact: 7/10
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Crawford vs Spence (2023)▼ Falling
Terence Crawford stopped Errol Spence Jr. in the ninth round to unify welterweight titles. The dominant finish confirmed Crawford as the division's best. It delivered a long-awaited super-fight payoff.
Year: 2023Round: 9Opponent: Errol Spence Jr.Seconds: —Legacy Impact: 7/10
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Bradley vs Provodnikov (2013)▼ Falling
Timothy Bradley survived a war with Ruslan Provodnikov to win by decision, but the fight lacked a knockout, so it is omitted here.
Year: 2013Round: 12Opponent: Ruslan ProvodnikovSeconds: —Legacy Impact: 0/10
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Joshua vs Klitschko (2017)▼ Falling
Anthony Joshua stopped Wladimir Klitschko in the 11th round in a dramatic heavyweight war. The finish ended Klitschko's long reign and launched Joshua as the new face. It produced one of the decade's best title fights.
Year: 2017Round: 11Opponent: Wladimir KlitschkoSeconds: 130Legacy Impact: 7/10
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Pacquiao vs Cotto (2009)▼ Falling
Manny Pacquiao knocked out Miguel Cotto in the 12th round to win the welterweight title. The late finish capped a dominant performance and extended Pacquiao's run. It remains one of his signature wins.
Year: 2009Round: 12Opponent: Miguel CottoSeconds: 55Legacy Impact: 7/10
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Klitschko vs Povetkin (2013)▼ Falling
Wladimir Klitschko dominated Alexander Povetkin but finished by decision without a knockout, so it is not ranked here.
Year: 2013Round: 12Opponent: Alexander PovetkinSeconds: —Legacy Impact: 0/10
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Missing a few names that belong in the top ten, but the top three is basically right.
Voted, but this order is going to look very different in a month once more people find it.
This is the most honest version of this ranking I've seen anywhere. The pros and cons are fair.