Heavyweight Light Heavyweight Middleweight Welterweight Lightweight Featherweight Bantamweight Flyweight
| Middleweight - Over 170 lbs. to 185 lbs. |
 |
Champion: Anderson Silva |
Nickname: The Spider |
| Age: 37 |
From: Sao Paulo, Brazil |
| Height: 6'2 |
Weight: 185 |
| Mixed Martial Arts Record: 33-4-0 |
Former Champions
| Champion |
Date Won |
| Anderson Silva |
October 14, 2006 |
| Rich Franklin |
June 4, 2005 |
| Evan Tanner |
February 5, 2005 |
| Murilo Bustamante |
January 11, 2002 |
| Dave Menne |
September 28, 2001 |
