Jay Dee "B.J." Penn III (born December 13, 1978) is an American former professional mixed martial art fighter and 5th degree black belt Brazilian jiu-jitsu (BJJ) practitioner. Prior to his MMA career, Penn was known as the first non-Brazilian to win the World Jiu-Jitsu Championship at black belt level. In mixed martial arts, Penn has competed in the Ultimate Fighting Championship (UFC) and in K-1 in the Featherweight, Lightweight, Welterweight, Middleweight, and Heavyweight/Openweight divisions. A former UFC Lightweight Champion and UFC Welterweight Champion, he is the second of eight fighters in UFC history to win titles in multiple weight classes. Penn fought to a draw against Caol Uno in the UFC 41 Lightweight Tournament. Through his tenures as champion, Penn unofficially unified the UFC Lightweight Championship (against Sean Sherk) and broke the all-time lightweight title defense record. In 2015, Penn was made the inaugural inductee into the Modern-era wing of the UFC Hall of Fame. More information...
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