| Sieg | 20-8-1 | Gabriel Checco  | Decision (Unanimous) |  | EFC 44: Spong vs Kharitonov | Jan 28, 2022 | 3 | 5:00 | Miami, Florida, USA  |
| Niederlage | 19-8-1 | Anthony Smith | KO (Knee) |  | UFC 225 | Jun 09, 2018 | 1 | 0:53 | Chicago, Illinois, United States |
| Niederlage | 19-7-1 | Sam Alvey | Decision (Split) |  | UFC Fight Night 114: Pettis vs Moreno | Aug 05, 2017 | 3 | 5:00 | Mexico City, Mexico |
| Niederlage | 19-6-1 | Daniel Kelly  | Decision (split) |  | UFC 209: Woodley vs Thompson 2 | Mar 04, 2017 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Niederlage | 19-5-1 | Glover Teixeira | KO (punches) |  | UFC on FOX 19: Teixeira vs Evans | Apr 16, 2016 | 1 | 1:48 | Tampa, United States |
| Niederlage | 19-4-1 | Ryan Bader | Decision (unanimous) |  | UFC 192:Cormier vs Gustafsson | Oct 03, 2015 | 3 | 5:00 | Houston, Texas, United States |
| Sieg | 19-3-1 | Chael Sonnen | TKO (punches) |  | UFC 167: St. Pierre vs Hendricks | Nov 16, 2013 | 1 | 4:05 | Las Vegas, United States |
| Sieg | 18-3-1 | Dan Henderson | Decision (split) |  | UFC 161 | Jun 15, 2013 | 3 | 5:00 | Winnipeg, Canada |
| Niederlage | 17-3-1 | Antonio Rogério Nogueira | Decision (unanimous) | | UFC 156: Aldo vs Edgar | Feb 02, 2013 | 3 | 5:00 | Las Vegas, United States |
| Niederlage | 17-2-1 | Jon Jones | Decision (unanimous) |  | UFC 145: Jones vs Evans | Apr 21, 2012 | 5 | 5:00 | Atlanta, Georgia, United States |
| Sieg | 17-1-1 | Phil Davis | Decision |  | UFC on Fox: Evans vs. Davis | Jan 28, 2012 | 5 | 5:00 | Chicago, Illinois, United States |
| Sieg | 16-1-1 | Tito Ortiz | TKO |  | UFC 133 | Aug 06, 2011 | 2 | 4:48 | Philadelphia, United States |
| Sieg | 15-1-1 | Quinton Jackson | Decision (unanimous) |  | UFC 114 | May 29, 2010 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 14-1-1 | Thiago Silva | Decision (unanimous) |  | UFC 108 | Jan 02, 2010 | 3 | 5:00 | Las Vegas, United States |
| Niederlage | 13-1-1 | Lyoto Machida | KO (punches) |  | UFC 98 | May 23, 2009 | 2 | 3:57 | Las Vegas, United States |
| Sieg | 13-0-1 | Forrest Griffin | TKO (punches) |  | UFC 92 | Dec 27, 2008 | 3 | 2:46 | Las Vegas, United States |
| Sieg | 12-0-1 | Chuck Liddell | KO (punch) |  | UFC 88 | Sep 06, 2008 | 2 | 1:51 | Atlanta, United States |
| Sieg | 11-0-1 | Michael Bisping  | Decision (split) | | UFC 78 | Nov 17, 2007 | 3 | 5:00 | Newark, United States |
| Unentschieden | 10-0-1 | Tito Ortiz | Draw (unanimous) | | UFC 73 | Jul 07, 2007 | 3 | 5:00 | Sacramento, United States |
| Sieg | 10-0 | Sean Salmon | KO (head kick) | | Evans vs Salmon | Jan 25, 2007 | 2 | 1:06 | Hollywood, United States |
| Sieg | 9-0 | Jason Lambert | KO (punches) | | UFC 63 | Sep 23, 2006 | 2 | 2:22 | Anaheim, United States |
| Sieg | 8-0 | Stephan Bonnar | Decision (majority) | | UFC Ultimate Fight Night 5 | Jun 28, 2006 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 7-0 | Sam Hoger | Decision (split) | | UFC Ultimate Fight Night 4 | Apr 06, 2006 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 6-0 | Brad Imes | Decision (split) | | The Ultimate Fighter 2 Finale | Nov 05, 2005 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 5-0 | Jaime Jara | Decision (unanimous) | | GC 27: FightFest 2 | Jun 03, 2004 | 3 | 5:00 | Colusa, United States |
| Sieg | 4-0 | Hector Ramirez | Decision (unanimous) | | GC 27: FightFest 2 | Jun 03, 2004 | 2 | 5:00 | Colusa, United States |
| Sieg | 3-0 | Bryan Pardoe | TKO (punches) | | GC 26: FightFest 1 | Jun 02, 2004 | 1 | 3:24 | Colusa, United States |
| Sieg | 2-0 | Danny Anderson | Submission (punches) | | Dangerzone: Cage Fighting | Apr 10, 2004 | 1 | 3:09 | Osceola, Iowa, United States |
| Sieg | 1-0 | Dennis Reed | Submission | | Dangerzone: Cage Fighting | Apr 10, 2004 | 1 | 0:50 | Osceola, Iowa, United States |
