Jack Dempsey
Jack Dempsey held the IBU, NYSAC, WBA and The Ring heavyweight world titles between 1919 and 1926. Dempsey was the undisputed heavyweight world champion from 1920 to 1926. Dempsey was The Ring's first heavyweight world champion.
- World title bouts
- 8
- Record in world title bouts (won–lost)
- 6–2
- World titles held
- 4
- Longest world title reign (IBU heavyweight, 1919–1926)
- 7 years, 2 months
From the archive
Timeline of world title events
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1927
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The Ring magazine rates Jack Dempsey No. 1 at heavyweight in its annual ratings
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Gene Tunney beats Jack Dempsey via unanimous decision 10/10
Heavyweight · NYSAC, WBA, IBU and The Ring
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1926
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The Ring magazine rates Jack Dempsey No. 1 at heavyweight in its annual ratings
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Gene Tunney beats Jack Dempsey via unanimous decision 10/10
Heavyweight · NYSAC, WBA, IBU and The Ring
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1925
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The Ring magazine rates Jack Dempsey the heavyweight champion in its annual ratings
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1924
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The Ring magazine rates Jack Dempsey the heavyweight champion in its annual ratings
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1923
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Jack Dempsey beats Luis Angel Firpo via knockout 2/15
Heavyweight · NYSAC, WBA, IBU and The Ring Read 11 articles
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Jack Dempsey beats Tommy Gibbons via points decision 15/15
Heavyweight · NYSAC, WBA, IBU and The Ring Read 13 articles
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1922
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Jack Dempsey becomes The Ring heavyweight champion
Heavyweight · The Ring
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1921
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Jack Dempsey beats Georges Carpentier via knockout 4/12
Heavyweight · NYSAC, WBA and IBU
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1920
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Jack Dempsey beats Bill Brennan via knockout 12/15
Heavyweight · IBU and NYSAC
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Jack Dempsey beats Billy Miske via knockout 3/10
Heavyweight · IBU and NYSAC
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Jack Dempsey becomes NYSAC heavyweight champion
Heavyweight · NYSAC
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1919
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Jack Dempsey beats Jess Willard via corner retirement 3/12
Heavyweight · IBU