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Boxing Biography

Marvin Hagler

“Marvelous Marvin”

American · Newark, New Jersey · Born 1 January 1954

Middleweight
62-3-2 (52 KOs)
professional record
Middleweight
weight class
1
title reigns
52
knockouts

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Undisputed middleweight champion and one of the most fearsome fighters in boxing history — changed his name to "Marvelous" as a mark of defiance.

Marvelous Marvin Hagler was born in Newark, New Jersey in 1954 and became the undisputed world middleweight champion with a professional record of 62 wins (52 by knockout), 3 losses and 2 draws across a career spanning 1973 to 1987. He won the undisputed middleweight title in 1980 by defeating Alan Minter and defended it 12 times — one of the longest and most dominant reigns in middleweight history. His 1985 fight with Thomas Hearns — Marvelous vs Motor City Cobra — featured a first round voted the greatest round in boxing history: 153 seconds of mutual destruction at a pace that should have produced a double knockout. Hagler won by TKO in the 3rd round. His left-handed stance — he trained both orthodox and southpaw, switching in bouts — his shaved head and his relentless pressure made him one of the sport's most intimidating figures. His 78% knockout rate across 62 wins was exceptional at middleweight. His loss to Sugar Ray Leonard on points in 1987 — disputed by virtually every observer outside Leonard's corner — ended his career. He was Ring Magazine Fighter of the Year in 1983 and 1985 and Fighter of the Decade for the 1980s. He legally changed his first name to Marvelous. He died in March 2021 aged 66.

Famous For

Undisputed Middleweight Champion and legendary wars

Playing Style

How They Played

Aggressive southpaw with iron chin and relentless pressure

Legacy

Lasting Impact

One of greatest middleweights ever, southpaw warrior

Best Known For

Undisputed Middleweight Champion 1980–1987

He legally changed his first name to "Marvelous" after a journalist refused to use the adjective in a story about him.

Did You Know?
Honours & Achievements

Career Honours

  • Undisputed Middleweight Champion 1980–1987
  • Ring Magazine Fighter of Year 1983, 1985
  • The War — 1985 fight vs Hearns (Round 1 voted greatest round ever)
  • Ring Magazine Fighter of Decade 1980s
  • Inducted into International Boxing Hall of Fame 1993
Career Journey

Timeline

1973 📌 Professional boxing debut
1980 🏆 Won Undisputed Middleweight Championship
1983 🥇 Ring Magazine Fighter of the Year
1985 🎯 The War vs Thomas Hearns - legendary fight
1985 🥇 Ring Magazine Fighter of the Year
1987 🎯 Lost title to Sugar Ray Leonard
1987 📌 Retired from professional boxing
FAQ

Frequently Asked Questions

5 common questions about Marvin Hagler

Marvin Hagler's professional record is 62-3-2 (52 KOs).

Marvin Hagler won 52 fights by knockout in his professional career.

Marvin Hagler won world championship titles in 1 weight division.

Marvin Hagler competed primarily in the Middleweight division.

Marvin Hagler was born in 1954 in Newark.

Career Timeline — Marvin Hagler
1973
Professional boxing debut
1980
Won Undisputed Middleweight Championship
1983
Ring Magazine Fighter of the Year
1985
The War vs Thomas Hearns - legendary fight
1985
Ring Magazine Fighter of the Year
1987
Lost title to Sugar Ray Leonard
1987
Retired from professional boxing
Undisputed Middleweight Champion 1980–1987
Ring Magazine Fighter of Year 1983, 1985
The War — 1985 fight vs Hearns (Round 1 voted greatest round ever)
Ring Magazine Fighter of Decade 1980s
Inducted into International Boxing Hall of Fame 1993