UFC 158: St-Pierre vs. Diaz
| Sport: | MMA |
| Promotion: | UFC |
| Date: | March 16, 2013 |
| Venue: | Bell Center |
| City: | Montreal |
| Broadcast: | PPV |
Main Event
Welterweight Georges St. Pierre def. Nick Diaz
Unanimous decision () at 5:00 of Round 5