Sherdog Vault Photo of the Day
Former pro boxer Ray Mercer stunned ex-UFC heavyweight champ Tim Sylvia with a nine-second knockout at Adrenaline MMA 3 in Birmingham, Ala. Photo by Fred Beeson.
Former pro boxer Ray Mercer stunned ex-UFC heavyweight champ Tim Sylvia with a nine-second knockout at Adrenaline MMA 3 in Birmingham, Ala. Photo by Fred Beeson.
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