Qualified via: Multiple titles in different divisions
BJ Penn has fought the likes of Former UFC Light Heavyweight Champion Lyoto Machida, Former UFC Lightweight Champion Frankie Edgar, Nick Diaz, Former 2-Time UFC Welterweight Champion Georges St. Pierre, Kenny Florian, Former UFC Welterweight Champion Matt Hughes, Sean Sherk, Diego Sanchez, Former UFC Welterweight Champion Matt Serra, and Former UFC Lightweight Champion Jens Pulver and is one of 2 champions to have had a UFC belt in 2 weight classes.
BJ Penn has fought the likes of Former UFC Light Heavyweight Champion Lyoto Machida, Former UFC Lightweight Champion Frankie Edgar, Nick Diaz, Former 2-Time UFC Welterweight Champion Georges St. Pierre, Kenny Florian, Former UFC Welterweight Champion Matt Hughes, Sean Sherk, Diego Sanchez, Former UFC Welterweight Champion Matt Serra, and Former UFC Lightweight Champion Jens Pulver and is one of 2 champions to have had a UFC belt in 2 weight classes.