During the match, Georges St. Pierre defeated BJ Penn during a fourth round TKO. Several judges gave Pierre 10-8 rounds - an indication of the lop-sidedness of the match. Final scores when the match was stopped were 40-35, 40-34 and 40-34.ESPN: Georges St. Pierre broke B.J. Penn's will to win (February 1, 2009)

1. Lyoto Machida defeated Thiago Silva in first-round knockout
2. Jon Jones defeated Stephan Bonnar with unanimous decision
3. Karo Parisyan defeated Dong Hyun Kim with split decision
4. Clay Guida defeated Nate Diaz with split decision
5. Jon Fitch defeated Akihiro Gono with unanimous decision
6. Dan Cramer defeated Matt Arroyo with split decision
7. Jake O'Brien defeated Christian Wellisch with split decision
8. John Howard defeated Chris Wilson with split decision
9. Thiago Tavares defeated Manny Gamburyan with unanimous decision

"No, I still wouldn't call him pound-for-pound the best in the world, but I would say … he is No. 2. No doubt about it. Anderson Silva has been annihilating everybody for a long time, Georges has some work to do now. If Georges takes out Thiago Alves, then he's on his way." - UFC president Dana WhiteESPN: Georges St. Pierre broke B.J. Penn's will to win (February 1, 2009)