Welterweight • World Boxing Organization
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Status
Active (since 1989)
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Total champions
18
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Total bouts
63
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Most bouts
Manning Galloway (7-2-0) 1 NC
Current champion: Terence Crawford (6 title defenses)
Scheduled bout: Errol Spence Jr v Terence Crawford
Timeline
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Genaro Leon becomes the WBO Welterweight world champion
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Manning Galloway becomes the WBO Welterweight world champion
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Gert Bo Jacobsen becomes the WBO Welterweight world champion
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Gert Bo Jacobsen's WBO Welterweight world title reign ends
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Eamonn Loughran becomes the WBO Welterweight world champion
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Jose Luis Lopez becomes the WBO Welterweight world champion
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Mihai Leu becomes the WBO Welterweight world champion
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Mihai Leu's WBO Welterweight world title reign ends
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Akhmed Kotiev becomes the WBO Welterweight world champion
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Daniel Santos becomes the WBO Welterweight world champion
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Antonio Margarito becomes the WBO Welterweight world champion
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Paul Williams becomes the WBO Welterweight world champion
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Carlos Quintana becomes the WBO Welterweight world champion
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Paul Williams becomes the WBO Welterweight world champion
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Paul Williams's WBO Welterweight world title reign ends
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Miguel Cotto becomes the WBO Welterweight world champion
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Manny Pacquiao becomes the WBO Welterweight world champion
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Timothy Bradley Jr becomes the WBO Welterweight world champion
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Manny Pacquiao becomes the WBO Welterweight world champion
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Floyd Mayweather Jr beats Manny Pacquiao via unanimous decision 12/12
Floyd Mayweather Jr becomes the WBO Welterweight world champion
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Timothy Bradley Jr becomes the WBO Welterweight world champion
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Timothy Bradley Jr's WBO Welterweight world title reign ends
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Jessie Vargas becomes the WBO Welterweight world champion
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Manny Pacquiao becomes the WBO Welterweight world champion
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Jeff Horn becomes the WBO Welterweight world champion
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Terence Crawford becomes the WBO Welterweight world champion
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