UFC 58: USA vs. Canada
| Sport: | MMA |
| Promotion: | UFC |
| Date: | March 4, 2006 |
| Venue: | Mandalay Bay Events Center |
| City: | Las Vegas, Nevada |
| Broadcast: | PPV |
Main Event
Middleweight Rich Franklin def. David Loiseau
Unanimous decision () at 5:00 of Round 5
Main Card
Welterweight Georges St. Pierre def. BJ Penn
Decision (Split) () at 5 of Round 3
Preliminary Card
Heavyweight Tom Murphy def. Icho Larenas
TKO (Punches) () at 1:59 of Round 3