| Cancelled Bout | | Rob Font  | - | | UFC Fight Night: Cejudo vs Song | Feb 22, 2025 | - | - | Seattle, Washington, United States |
| Niederlage | 24-4 | Marlon Vera  | KO (head kick) |  | UFC Fight Night: Vera vs Cruz | Aug 13, 2022 | 4 | 2:17 | San Diego, California, United States |
| Sieg | 24-3 | Pedro Munhoz  | Decision (Unanimous) |  | UFC 269: Oliveira vs Poirier | Dec 11, 2021 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 23-3 | Casey Kenney | Decision (Split) |  | UFC 259: Błachowicz vs Adesanya | Mar 06, 2021 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Niederlage | 22-3 | Henry Cejudo | TKO (Knee and Punches) |  | UFC 249: Ferguson vs Gaethje | May 09, 2020 | 2 | 4:58 | Jacksonville, Florida, United States |
| Niederlage | 22-2 | Cody Garbrandt | Decision (unanimous) |  | UFC 207: Nunes vs Rousey | Dec 30, 2016 | 5 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 22-1 | Urijah Faber | Decision (unanimous) |  | UFC 199: Rockhold vs Bisping 2 | Jun 04, 2016 | 5 | 5:00 | Inglewood, United States |
| Sieg | 21-1 | T.J. Dillashaw | Decision (split) |  | UFC Fight Night 81: Dillashaw vs Cruz | Jan 17, 2016 | 5 | 5:00 | Boston, United States |
| Sieg | 20-1 | Takeya Mizugaki  | TKO (punches) |  | UFC 178: Johnson vs Cariaso | Sep 27, 2014 | 1 | 1:01 | Las Vegas, United States |
| Sieg | 19-1 | Demetrious Johnson | Decision (unanimous) |  | UFC Live: Cruz vs Johnson | Oct 01, 2011 | 5 | 5:00 | Washington D.C., United States |
| Sieg | 18-1 | Urijah Faber | Decision (unanimous) |  | UFC 132 | Jul 02, 2011 | 5 | 5:00 | Las Vegas, United States |
| Sieg | 17-1 | Scott Jorgensen | Decision (unanimous) |  | WEC 53 | Dec 16, 2010 | 5 | 5:00 | Glendale, United States |
| Sieg | 16-1 | Joseph Benavidez | Decision (split) |  | WEC 50 | Aug 18, 2010 | 5 | 5:00 | Nevada, United States |
| Sieg | 15-1 | Brian Bowles | TKO (doctor stoppage) |  | WEC 47 | Mar 06, 2010 | 2 | 5:00 | Columbus, Ohio, United States |
| Sieg | 14-1 | Joseph Benavidez | Decision (unanimous) |  | WEC 42 | Aug 09, 2009 | 3 | 5:00 | Nevada, United States |
| Sieg | 13-1 | Iván López | Technical Decision (unanimous) |  | WEC 40 | Apr 05, 2009 | 3 | 3:24 | Chicago, United States |
| Sieg | 12-1 | Ian McCall | Decision (unanimous) |  | WEC 38: Varner vs Cerrone | Jan 25, 2009 | 3 | 5:00 | California, United States |
| Sieg | 11-1 | Charlie Valencia | Decision (unanimous) | | WEC 34 | Jun 01, 2008 | 3 | 5:00 | Sacramento, United States |
| Sieg | 10-1 | Kenneth Aimes | TKO (punches) | | TC 27 | Mar 22, 2008 | 1 | N/A | Yuma, United States |
| Niederlage | 9-1 | Urijah Faber | Submission (guillotine choke) | | WEC 26 | Mar 24, 2007 | 1 | 1:38 | Las Vegas, United States |
| Sieg | 9-0 | Shad Smith | Decision (unanimous) | | TC 18 | Nov 04, 2006 | 3 | 5:00 | California, United States |
| Sieg | 8-0 | Juan Miranda | Submission (rear naked choke) | | TC 16 | Sep 09, 2006 | 1 | 4:00 | California, United States |
| Sieg | 7-0 | Dave Hisquierdo | Decision (split) | | TC 15 | Jul 15, 2006 | 3 | 5:00 | California, United States |
| Sieg | 6-0 | Michael Barney | TKO (punches) | | RITC 79 | Feb 24, 2006 | 1 | 2:45 | Tucson, United States |
| Sieg | 5-0 | Nick Hedrick | Decision (unanimous) | | RITC 75: Friday Night Fights | Sep 30, 2005 | 3 | 3:00 | Glendale, United States |
| Sieg | 4-0 | Josh Donahue | TKO (punches) | | RITC 74: In Your Face | Sep 10, 2005 | 2 | 1:09 | Arizona, United States |
| Sieg | 3-0 | Tom Schwager | TKO (punches) | | RITC 73: Arizona vs Nevada | Aug 06, 2005 | 1 | 0:56 | Glendale, United States |
| Sieg | 2-0 | Rosco McClellan | TKO (punches) | | Rage in the Cage: Cage 70 | Jun 11, 2005 | 2 | 1:26 | Glendale, United States |
| Sieg | 1-0 | Eddie Castro | Decision (split) | | RITC 67: Back to the Dodge | Jan 29, 2005 | 3 | 3:00 | Phoenix, United States |
