Paul Creighton lost at UFC 37 against the MMA fighter who also practices what other fighting style?
Paul Creighton:  His last fight in mixed martial arts competition, came at a losing effort at UFC 37: High Impact at the CenturyTel Center in Bossier City, Louisiana on May 10, 2002 against B.J. Penn. B.J. Penn: Jay Dee "B.J." Penn (born December 13, 1978) is an American professional mixed martial artist and Brazilian Jiu-Jitsu practitioner.
Brazilian Jiu-Jitsu