The Greatest Heavyweight Boxers of All Time – Ranked

The heavyweight division has produced some of the greatest fighters in boxing history.

From Jack Johnson and Joe Louis to Muhammad Ali, George Foreman, Mike Tyson and Lennox Lewis, every era has produced champions who believed they were the best heavyweight in the world.

But who actually belongs at the top?

Ranking heavyweight champions from different eras is difficult because the sport has changed dramatically. Fighters competed under different rules, fought different numbers of times per year and faced completely different competitive environments.

So rather than looking only at undefeated records or knockout percentages, this ranking considers dominance, quality of opposition, longevity, championships, peak ability and historical significance.

Here is our ranking of the greatest heavyweight boxers of all time.

1. Muhammad Ali

Record: 56-5 (37 KOs)

Muhammad Ali remains the standard by which heavyweight greatness is measured.

Ali defeated Sonny Liston twice, Joe Frazier twice, George Foreman, Ken Norton twice, Floyd Patterson twice and numerous other world-class heavyweights.

He was also the first three-time lineal heavyweight champion.

What separates Ali from almost everyone else is the combination of peak ability and quality of opposition.

He competed during one of the greatest heavyweight eras in history and repeatedly fought the best available opponents.

His victories over Foreman and Frazier are particularly important. His 1974 victory over Foreman remains one of the greatest tactical performances in boxing history.

Why he’s #1: Elite opposition, longevity, adaptability, championship accomplishments and an extraordinary peak.

Read more: [Muhammad Ali fighter archive]

2. Joe Louis

Record: 66-3 (52 KOs)

Joe Louis was the dominant heavyweight champion of his generation.

Louis held the heavyweight championship for more than 11 years and successfully defended it 25 times, a record for the division.

His combination of technically precise punching, balance and power made him one of the most complete heavyweight fighters ever.

His two fights with Max Schmeling are particularly important to his legacy. After losing their first meeting, Louis destroyed Schmeling in their 1938 rematch.

The Ring’s current historical rankings continue to place Louis among the very greatest American fighters, ranking him behind only Ray Robinson and Muhammad Ali on its recent list.

Why he’s #2: Extraordinary championship reign, technical excellence, consistency and historical importance.

3. Lennox Lewis

Record: 41-2-1 (32 KOs)

Lennox Lewis is frequently underrated because he competed after the golden heavyweight era of the 1970s.

But his résumé is exceptional.

Lewis defeated Evander Holyfield, Mike Tyson, Vitali Klitschko, David Tua, Ray Mercer and numerous other elite heavyweights.

He became undisputed heavyweight champion and avenged both of his professional defeats.

Lewis combined size, power, an excellent jab and increasingly sophisticated tactical ability.

He also possessed one of the most complete heavyweight toolkits in modern boxing.

Why he’s #3: Elite résumé, size, technical ability, championship accomplishments and the ability to avenge his losses.

4. George Foreman

Record: 76-5 (68 KOs)

George Foreman had one of the most devastating peaks in heavyweight history.

During his first championship reign, Foreman destroyed Joe Frazier, Ken Norton and a long list of contenders.

Then came his loss to Muhammad Ali in the Rumble in the Jungle.

What makes Foreman’s career extraordinary is what happened afterward.

He returned to boxing years later and eventually became heavyweight champion again at 45 years old, making him the oldest heavyweight champion in history at the time. The Ring continues to highlight that achievement among his defining accomplishments.

Why he’s #4: One of the greatest heavyweight peaks ever plus an unprecedented second career.

5. Larry Holmes

Record: 69-6 (44 KOs)

Larry Holmes is arguably the most underrated heavyweight champion on this list.

Holmes possessed one of the greatest jabs in heavyweight history and dominated the division during the late 1970s and first half of the 1980s.

He defeated Ken Norton, Earnie Shavers, Gerry Cooney, Muhammad Ali and numerous other contenders.

The Ring recently ranked Holmes among America’s greatest fighters and specifically highlighted his extraordinary jab and dominance of the heavyweight division from 1978–1985.

Why he’s #5: Longevity, dominance, an elite jab and a deep résumé.

6. Mike Tyson

Record: 50-6 (44 KOs), 2 NC

At his absolute peak, Mike Tyson may have been the most terrifying heavyweight who ever lived.

Tyson became the youngest heavyweight champion in history and eventually unified the WBC, WBA and IBF championships.

His early career was spectacular.

Trevor Berbick, James Smith, Tony Tucker, Larry Holmes, Tony Tubbs, Michael Spinks and Frank Bruno all fell to Tyson during his championship run.

The problem for Tyson’s all-time ranking is longevity at the very top.

His reign ended with the shocking loss to Buster Douglas in 1990.

Why he’s #6: Perhaps the most destructive heavyweight peak ever, but a shorter period of sustained dominance than the fighters above him.

Read more: [Mike Tyson fighter archive]

7. Evander Holyfield

Holyfield’s résumé is one of the strongest in heavyweight history.

He defeated Mike Tyson twice, George Foreman, Riddick Bowe and Michael Moorer, among others.

He also became heavyweight champion multiple times after moving up from cruiserweight.

Holyfield’s willingness to fight virtually anyone helped define his career.

Why he’s #7: Exceptional résumé, toughness, longevity and victories over multiple generations of heavyweight champions.

8. Joe Frazier

Joe Frazier was one of the greatest pressure fighters in heavyweight history.

His left hook, body attack and relentless forward pressure produced victories over Muhammad Ali, Jimmy Ellis, Jerry Quarry and others.

His first fight with Ali was named The Ring’s Fight of the Year for 1971, while their third fight in Manila is still regarded as one of the greatest championship fights ever. The Ring’s historic list ranked Ali-Frazier III as its No. 1 greatest title fight.

Why he’s #8: Elite pressure fighting, tremendous résumé and one of the greatest wins in heavyweight history.

9. Sonny Liston

Sonny Liston was one of the most intimidating heavyweights of the early 1960s.

His combination of size, reach and punching power made him a terrifying opponent.

Liston won the heavyweight championship by destroying Floyd Patterson and appeared almost unbeatable before encountering Muhammad Ali.

Why he’s #9: Extraordinary peak ability and dominance, although his championship reign was relatively short.

10. Rocky Marciano

Record: 49-0 (43 KOs)

Marciano remains the only heavyweight champion to retire undefeated.

He defeated Jersey Joe Walcott, Ezzard Charles, Archie Moore and other elite heavyweights.

His perfect record makes him one of the most unique fighters in boxing history.

The obvious question is how his style and physical dimensions would translate against larger modern heavyweights.

But judging fighters based solely on hypothetical matchups would be unfair.

Why he’s #10: Perfect record, championship dominance and remarkable durability.

Honorable Mentions

Several other heavyweights have legitimate arguments for inclusion in the top 10:

• Jack Johnson
• Jack Dempsey
• Ezzard Charles
• Floyd Patterson
• Ken Norton
• Riddick Bowe
• Wladimir Klitschko
• Vitali Klitschko
• Oleksandr Usyk
• Tyson Fury
• Anthony Joshua
• Deontay Wilder

The rankings become particularly difficult once we begin comparing fighters from radically different eras.