B.J. Penn.

About B.J. Penn

Jay Dee "B.J." Penn III is an American former professional mixed martial artist and 5th degree black belt Brazilian jiu-jitsu (BJJ) practitioner. A former UFC Lightweight Champion and UFC Welterweight Champion, he is the second of eleven fighters in UFC history to win titles in multiple weight classes. 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. 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 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.