Harry Greb
World title reigns and bouts
IBU
NYSAC
WBA
RING
Middleweight
1919
(24 years old)
(24 years old)
1920
(25 years old)
(25 years old)
1921
(26 years old)
(26 years old)
1922
(27 years old)
(27 years old)
1923
(28 years old)
(28 years old)
1924
(29 years old)
(29 years old)
1925
(30 years old)
(30 years old)
1926
(31 years old)
(31 years old)
Timeline of world title events
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Harry Greb becomes the IBU, NYSAC and WBA Middleweight world champion
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Harry Greb beats Johnny Wilson via unanimous decision 15/15
Harry Greb becomes the RING Middleweight world champion
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Harry Greb beats Mickey Walker via unanimous decision 15/15
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