A long-awaited Welterweight Championship grudge match between Champion Georges St-Pierre and Nick Diaz headlined the card after years of heated buildup. St-Pierre delivered a disciplined, dominant performance to retain his title, recording the 8th successful Welterweight title defense of his career. The even marked GSP's final fight in his hometown of Montreal, Quebec.
Canceled Fights
6 fights canceledCarlos ConditCANCELEDRory MacDonaldReason: MacDonald Neck Injury
Patrick CoteCANCELEDAlessio SakaraReason: Sakara Kidney Issues
Johny HendricksCANCELEDJake EllenbergerReason: Hendricks to Condit Fight
Yves JabouinCANCELEDJohnny EduardoReason: Eduardo Shoulder Injury
Sean PiersonCANCELEDRick StoryReason: Pierson Injury
Mitch GagnonCANCELEDIssei TamuraReason: Gagnon Injury
Referees
1 fight
1 fight
1 fight
1 fight
1 fight
1 fight
PC
1 fight
PC
1 fight
PC
1 fight
MC
1 fight
MC
1 fight
MC
1 fight