| Niederlage | 18-7-1 | Alexey Oleinik  | Submission (Rear-Naked Choke) |  | UFC 213: Nunes vs Shevchenko 2 | Jul 08, 2017 | 2 | 3:44 | Las Vegas, Nevada, United States |
| Niederlage | 18-6-1 | Derrick Lewis  | KO (punches) |  | UFC Fight Night 105: Lewis vs Browne | Feb 19, 2017 | 2 | 3:12 | Halifax, Nova Scotia, Canada |
| Niederlage | 18-5-1 | Fabricio Werdum  | Decision (unanimous) |  | UFC 203: Miocic vs Overeem | Sep 10, 2016 | 3 | 5:00 | Cleveland, Ohio, United States |
| Niederlage | 18-4-1 | Cain Velasquez | TKO (punches) |  | UFC 200: Tate vs Nunes | Jul 09, 2016 | 1 | 4:57 | Las Vegas, Nevada, United States |
| Sieg | 18-3-1 | Matt Mitrione | TKO (punches) |  | UFC Fight Night 81: Dillashaw vs Cruz | Jan 17, 2016 | 3 | 4:09 | Boston, United States |
| Niederlage | 17-3-1 | Andrey Arlovski  | TKO (punches) |  | UFC 187: Cormier vs Johnson | May 23, 2015 | 1 | 4:41 | Las Vegas, United States |
| Sieg | 17-2-1 | Brendan Schaub | TKO (punches) |  | UFC 181: Hendricks vs Lawler 2 | Dec 06, 2014 | 1 | 4:50 | Las Vegas, United States |
| Niederlage | 16-2-1 | Fabricio Werdum | Decision (unanimous) |  | UFC on Fox 11: Werdum vs Browne | Apr 19, 2014 | 5 | 5:00 | Orlando, United States |
| Sieg | 16-1-1 | Josh Barnett | KO (elbows) |  | UFC 168: Weidman vs Silva 2 | Dec 28, 2013 | 1 | 1:00 | Las Vegas, United States |
| Sieg | 15-1-1 | Alistair Overeem  | KO (front kick and punches) |  | UFC 164 | Aug 17, 2013 | 1 | 4:08 | Milwaukee, United States |
| Sieg | 14-1-1 | Gabriel Gonzaga | KO (elbows) |  | UFC - The Ultimate Fighter 17 Finale | Apr 13, 2013 | 1 | 1:11 | Las Vegas, United States |
| Niederlage | 13-1-1 | Antonio Silva | TKO (punches) | | UFC on FX 5: Browne vs Silva | Oct 05, 2012 | 1 | 3:27 | Minneapolis, United States |
| Sieg | 13-0-1 | Chad Griggs | Submission (arm triangle choke) | | UFC 145: Jones vs Evans | Apr 21, 2012 | 1 | 2:29 | Atlanta, United States |
| Sieg | 12-0-1 | Rob Broughton  | Decision (unanimous) |  | UFC 135 | Sep 24, 2011 | 3 | 5:00 | Denver, United States |
| Sieg | 11-0-1 | Stefan Struve | KO (superman punch) |  | UFC 130 | May 28, 2011 | 1 | 4:11 | Las Vegas, United States |
| Unentschieden | 10-0-1 | Cheick Kongo  | Draw (unanimous) |  | UFC 120: Bisping vs. Akiyama | Oct 16, 2010 | 3 | 5:00 | London, England  |
| Sieg | 10-0 | James McSweeney | TKO (punches) | | The Ultimate Fighter 11 Finale | Jun 19, 2010 | 1 | 4:32 | Las Vegas, United States |
| Sieg | 9-0 | Aaron Brink | KO (punches) | | Gladiator Challenge 111 | Feb 21, 2010 | 1 | 0:35 | San Jacinto, United States |
| Sieg | 8-0 | Abe Wagner | TKO (punches) | | VFC 30 – Night of Champions | Feb 05, 2010 | 1 | 0:08 | Council Bluffs, United States |
| Sieg | 7-0 | Brian Campbell | KO (head kick) | | Gladiator Challenge 107 | Nov 08, 2009 | 1 | 0:09 | San Jacinto, United States |
| Sieg | 6-0 | Matt Anderson | TKO (punches) | | Gladiator Challenge 98 | Jul 23, 2009 | 2 | 0:49 | San Jacinto, United States |
| Sieg | 5-0 | Mychal Clark | Decision (unanimous) | | Bellator 10 | Jun 05, 2009 | 3 | 5:00 | Ontario, United States |
| Sieg | 4-0 | Sergio Calderon | KO (punches) | | Gladiator Challenge 93 | Apr 23, 2009 | 1 | 1:53 | Pauma Valley, United States |
| Sieg | 3-0 | Tom Lozano | Submission (armbar) | | EF 9 – Espartan Fighting 9 | Mar 14, 2009 | 1 | 0:55 | Oaxaca, Mexico |
| Sieg | 2-0 | Michael Westbrook | TKO (punches) | | King of the Cage – Immortal | Feb 27, 2009 | 3 | 1:22 | San Bernardino, United States |
| Sieg | 1-0 | Evan Langford | TKO (punches) | | COF - Cage of Fire 15 | Feb 07, 2009 | 1 | 0:43 | El Foro, Tijuana, Mexico |
