Heavyweight | Light Heavyweight | Middleweight | Welterweight | Lightweight | Featherweight | Bantamweight
| Welterweight - Over 155 lbs. to 170 lbs. |
 |
Champion: Georges St-Pierre |
Nickname: Rush |
| Age: 31 |
From: Saint-Isidore, Quebec |
| Height: 5'10 |
Weight: 170 |
| Mixed Martial Arts Record: 23-2-0 |
Former Champions
| Champion |
Date Won |
| Georges St-Pierre |
April 19, 2008 |
| Matt Serra |
April 7, 2007 |
| Georges St-Pierre |
November 18, 2006 |
| Matt Hughes |
October 22, 2004 |
| B.J. Penn |
January 31, 2004 |
| Matt Hughes |
November 2, 2001 |
| Carlos Newton |
May 4, 2001 |
| Pat Miletich |
October 16, 1998 |
