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- Andy Ruiz Jr. shocked the world by defeating Anthony Joshua in an upset victory to become heavyweight champion.
- Boxer Salvador Farnetti became famous when he was knocked out in just 50 seconds by Eric Esch, who weighed 342.5 pounds at his peak.
- Terry Tutel had never won a professional fight, weighed consistently over 300 pounds, and struggled in the heavyweight division.
Throughout the history of boxing, great fighters have graced the ring and faced both victory and defeat. Over time, many have set and broken several records, won titles and achieved knockouts in record time. But some people, even with their skills and techniques, almost break the scale.
These former boxing giants may not be the usual boxing giants like Ali, Tyson or Fury, but they have left marks and records pound for pound or kilogram. So here are the 10 heaviest boxers in the history of the sport, based on weight rankings.
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Ten Andy Ruiz Jr. – 297.5 lbs / 135 kg
It was widely reported that he won the heavyweight title with a stunning upset victory over Anthony Joshua.
Years of activity |
2009 – |
record |
35 wins, 2 losses, 0 draws (22 KOs) |
weight class |
heavyweight |
The most popular player on this list, Andy Ruiz Jr. is also the most successful player on this list. Ruiz garnered widespread attention for his come-from-behind victory over British heavyweight Anthony Joshua to win the heavyweight title. Andy Ruiz Jr.'s debut weight was a shocking 297 pounds, but it didn't stop him from securing the victory.
9 Salvador Farnetti – 342.5 lbs / 155 Kg
Lost in the first round to Eric “Butterbean” Esch
Years of activity |
2001 – 2009 |
record |
3-15-3 |
weight class |
heavyweight |
Sal Farnetti remains a relatively unknown fighter in the boxing world, having only fought 21 times between 2001 and 2009. His most famous moment came in 2004 when he was knocked out within 50 seconds of the first round against Eric Esch. The only time he reached a career-high weight of 342.5 pounds was in his final fight against Lionel Davis.
8 Kevin Calusa – 346.5 lbs / 157 kg
He fought only three matches in his professional career.
Years of activity |
2009 |
record |
1-2-0 (1KO) |
weight class |
heavyweight |
Karusa, a New Zealander who debuted at 253 pounds in March 2009, experienced a notable weight gain, reaching 346.5 pounds by the final fight of his career later that year. Unfortunately, he suffered a defeat at the hands of Mark De Mori and then, in a twist of fate, was eliminated in the first round by David Haye.
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7 Dennis Lewandowski – 352 lbs / 160 kg
Won multiple heavyweight titles in Germany
Years of activity |
2014 – |
record |
18-5-0 (8KO) |
weight class |
heavyweight |
German heavyweight Lewandowski, also known as Ostseehammer, made his professional debut against Zoltan Veles on November 8, 2014, winning by points decision. Lewandowski established himself as a towering figure in the European heavyweight division, competing against the likes of Tom Schwartz, another German heavyweight who fought and lost to Tyson Fury.
6 Gabe Brown – 367 lbs / 166.5 kg
The heaviest match of his career was his first match against Saul Montana
Years of activity |
1997 – 2011 |
record |
18-17-4 (12KO) |
weight class |
heavyweight |
Gabe Brown began his career in the late '90s at a relatively standard weight of 260-300 pounds. He returned to overweight at 330 pounds after a three-year hiatus. Despite facing other heavyweight boxers such as Bruce Sheldon, Bert Cooper, and Samuel Peter, Brown's career lasted only 14 fights, including a fight against Peter at a staggering weight of 361 pounds. It also included the defeat of His heaviest weigh-in to date was against Saul Montana at 367 pounds.
Five Terry Tutel – 368 lbs / 167 kg
Never won a professional match in his career
Years of activity |
2001-2012 |
record |
0-10-1 |
weight class |
heavyweight |
Terry Tutel joins the long list of heavyweight boxers who have never won a match. Nicknamed Fasa Terry Tini, he wasn't very good at fighting, only getting draws, and his weight consistently exceeded 300 pounds in all of his bouts. He also competes in kickboxing as a heavyweight.
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These are dream boxing matches that never came true, and matches that shouldn't have happened at all.
Four Chauncey Welliver – 378 lbs / 171.5 kg
In 13 losses, he has never been knocked down.
Years of activity |
2001 – 2020 |
record |
57-13-5 (23 KOs) |
weight class |
heavyweight |
American heavyweight boxer Chauncey Welliver began his professional career in 2003 and boasted an impressive record of never being knocked out during his career. Despite carrying the extra weight, Welliver was successful and was once ranked No. 5 heavyweight in the world by the WBC, emphasizing the importance of technique and skill over size in the sport of boxing. I am.
3 Antonio Johnson – 380 lbs / 172.4 kg
TKO'd Dustin Nichols, the heaviest boxer in history.
Years of activity |
2016-2019 |
record |
7-3-1 |
weight class |
heavyweight |
Antonio Maurice Woods Johnson fought just 11 times between 2016 and 2019, winning seven of those fights, including five by knockout. There is no information on his weight for his last fight of 2019, but Johnson weighed in at a career-high 379 pounds against Dustin Nichols.
2 Eric “Butterbean” Esch – 426.5 lbs / 193.5 kg
Despite his weight, Esh achieved great success in the ring.
Years of activity |
1994 – 2013 |
record |
77 wins, 10 losses, 4 draws (57 KOs) |
weight class |
heavyweight, super heavyweight |
Eric Esch, affectionately known as “Butterbean,” was a heavyweight and superheavyweight boxer who at his peak weighed nearly 400 pounds. Despite his considerable weight, he achieved great success in the ring, winning multiple world titles and his career record. Esch won the boxing world title twice, then faced former world champion Larry Holmes in his most high-profile bout.
1 Dustin Nichols – 450 lbs / 204 kg
2011 Nichols vs. Justin Jones – Oldest Weigh-in Ever
Years of activity |
2007 – 2023 |
record |
5-15-0 (5KO) |
weight class |
heavyweight |
Nichols, also known as “The Worm,” was known as a boxer who racked up victories over undefeated opponents and often avoided fights that lasted until the end. Despite a notable fight with future world champion Deontay Wilder, Nichols decided not to continue after the first round, with weight fluctuations reaching a peak of 450 lbs/204.1 kg and then 320 lbs. Nothing could have prevented my weight loss to nearly 145 lbs/145 kg. During his spiraling boxing career, he was consistently defeated.