Following a three round vicious bout with Nick Diaz at UFC 137, a battered BJ Penn announced to UFC broadcaster Joe Rogan his retirement from pro-fighting during his post fight interview.
Following UFC 137, which was held at the Mandalay Bay Events Center in Las Vegas, Nevada, bonuses were awarded for fight of the night, knockout of the night, and submission of the night.
UFC 137: "Penn vs. Diaz" event was held October 29, 2011 at the Mandalay Bay Events Center in Las Vegas, Nevada, full results of the evenings events inside.
Former UFC heavyweight champion Frank Mir says Antonio Rodrigo Nogueira needs to be at 100 percent in December at UFC 140 when the pair meet up for the second time.
The Ulimate Fighting Championship promotion will debut a new original program "UFC Champions Roundtable" on FUEL TV on Tuesday, November 8, 2011 at 9:00PM ET / 6:00PM PT.
