UFC 137 results: Nick Diaz defeats B.J. Penn by unanimous decision (29-28, 29-27, 29-28)
The UFC announces a fight, a date, and an opponent, but did they do all that before getting a signed contract?
Watch Nick Diaz vs. BJ Penn full fight video for their Fight of the Night performance at UFC 137 on Oct. 29, 2011.
UFC legend B.J. Penn said he needs to take some time to figure out whether he's going to retire or now.