| Niederlage | 29-22 (1) | Mason Jones  | Decision (Unanimous) |  | UFC Fight Night: Sandhagen vs Figueiredo | May 03, 2025 | 3 | 5:00 | Des Moines, Iowa, United States  |
| Niederlage | 29-21 (1) | Natan Schulte  | Submission (Arm-Triangle Choke) |  | PFL 10: 2022 | Nov 25, 2022 | 2 | 1:32 | New York City, New York, United States |
| Sieg | 29-20 (1) | Myles Price  | Decision (Split) |  | PFL 4: 2022 Regular Season | Jun 17, 2022 | 3 | 5:00 | Atlanta, Georgia, United States |
| Niederlage | 28-20 (1) | Clay Collard | Decision (unanimous) |  | PFL 2022 #1: Regular Season | Apr 20, 2022 | 3 | 5:00 | Arlington, Texas, United States |
| Niederlage | 28-19 (1) | Mateusz Gamrot  | Submission (kimura) |  | UFC Fight Night: Makhachev vs Moisés | Jul 17, 2021 | 1 | 1:05 | Las Vegas, Nevada, United States |
| Cancelled Bout | | Drakkar Klose | - |  | UFC on ESPN: Whittaker vs Gastelum | Apr 17, 2021 | - | - | Las Vegas, Nevada, United States |
| Cancelled Bout | | Arnold Allen  | - |  | UFC Fight Night 182: Santos vs Teixeira | Nov 07, 2020 | - | - | Las Vegas, Nevada, United States |
| Niederlage | 28-18 (1) | Calvin Kattar | TKO (Elbows and Punches) |  | UFC 249: Ferguson vs Gaethje | May 09, 2020 | 2 | 2:42 | Jacksonville, Florida, United States |
| Cancelled Bout | | Calvin Kattar | - |  | UFC 249: Ferguson vs Gaethje | Apr 18, 2020 | - | - | Lemoore, California, United States |
| Niederlage | 28-17 (1) | Yair Rodriguez  | Decision (Unanimous) |  | UFC on ESPN2: Weidman vs Reyes | Oct 18, 2019 | 3 | 5:00 | Boston, Massachusetts, United States |
| NC | 28-16 (1) | Yair Rodriguez | No Contest (Accidental Eye Poke) |  | UFC on ESPN+ 17: Rodriguez vs Stephens | Sep 21, 2019 | 1 | 0:15 | Mexico City, Mexico |
| Niederlage | 28-16 | Zabit Magomedsharipov  | Decision (Unanimous) |  | UFC 235 | Mar 02, 2019 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Niederlage | 28-15 | Jose Aldo | TKO (Punches) |  | UFC on FOX 30 | Jul 28, 2018 | 1 | 4:19 | Calgary, Alberta, Canada |
| Sieg | 28-14 | Josh Emmett | KO (Elbows) |  | UFC on FOX 28: Stephens vs Emmett | Feb 24, 2018 | 2 | 1:35 | Orlando, Florida, United States |
| Sieg | 27-14 | Doo Ho Choi  | TKO (Punches and Elbows) |  | UFC Fight Night 124: Stephens vs Choi | Jan 14, 2018 | 2 | 2:36 | St. Louis, Missouri, United States |
| Sieg | 26-14 | Gilbert Melendez | Decision (unanimous) |  | UFC 215: Nunes vs Shevchenko 2 | Sep 09, 2017 | 3 | 5:00 | Edmonton, Alberta, Canada |
| Niederlage | 25-14 | Renato Carneiro | Decision (split) |  | UFC on FOX 24: Johnson vs Reis | Apr 15, 2017 | 3 | 5:00 | Kansas City, Missouri, United States |
| Niederlage | 25-13 | Frankie Edgar | Decision (unanimous) | | UFC 205: Alvarez vs McGregor | Nov 12, 2016 | 3 | 5:00 | New York, New York, United States |
| Sieg | 25-12 | Renan Barao | Decision (unanimous) |  | UFC Fight Night 88: Almeida vs Garbrandt | May 29, 2016 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Niederlage | 24-12 | Max Holloway | Decision (unanimous) | | UFC 194: Aldo vs McGregor | Dec 12, 2015 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 24-11 | Dennis Bermudez | TKO (Knee and Punches) |  | UFC 189: Mendes vs McGregor | Jul 11, 2015 | 3 | 0:32 | Las Vegas, United States |
| Niederlage | 23-11 | Charles Oliveira | Decision (unanimous) | | The Ultimate Fighter: A Champion Will Be Crowned Finale | Dec 12, 2014 | 3 | 5:00 | Nevada, United States |
| Niederlage | 23-10 | Cub Swanson | Decision (unanimous) |  | UFC Fight Night: Swanson vs. Stephens | Jun 28, 2014 | 5 | 5:00 | San Antonio, Texas, United States |
| Sieg | 23-9 | Darren Elkins | Decision (unanimous) | | UFC on Fox: Henderson vs. Thomson | Jan 25, 2014 | 3 | 5:00 | Illinois,United States |
| Sieg | 22-9 | Rony Mariano Bezerra | KO (head kick) |  | UFC Fight Night 32 - Belfort vs Henderson | Nov 09, 2013 | 1 | 0:40 | Goiania Arena, Goias, Brazil |
| Sieg | 21-9 | Estevan Payan | Decision (unanimous) | | UFC 160 | May 25, 2013 | 3 | 5:00 | Nevada, United States |
| Niederlage | 20-9 | Yves Edwards | KO (punches and elbows) | | UFC on Fox: Henderson vs. Diaz | Dec 08, 2012 | 1 | 1:55 | Washington, United States |
| Niederlage | 20-8 | Donald Cerrone | Decision (unanimous) | | UFC: Korean vs Poirier | May 15, 2012 | 3 | 5:00 | Fairfax, United States |
| Niederlage | 20-7 | Anthony Pettis | Decision (split) |  | UFC 136 | Oct 08, 2011 | 3 | 5:00 | Houston, United States |
| Sieg | 20-6 | Danny Downes | Decision (unanimous) | | The Ultimate Fighter: Team Lesnar vs. Team dos Santos Finale | Jun 04, 2011 | 3 | 5:00 | Nevada, United States |
| Sieg | 19-6 | Marcus Davis | KO (punch) | | UFC 125 | Jan 01, 2011 | 3 | 2:33 | Nevada, United States |
| Niederlage | 18-6 | Melvin Guillard | Decision (split) | | UFC 119 | Sep 25, 2010 | 3 | 5:00 | Indiana, United States |
| Sieg | 18-5 | Sam Stout  | Decision (split) | | UFC 113 | May 08, 2010 | 3 | 5:00 | Quebec, Canada |
| Sieg | 17-5 | Justin Buchholz | TKO (doctor stoppage) | | UFC Fight Night: Diaz vs. Guillard | Sep 16, 2009 | 1 | 3:32 | Oklahoma, United States |
| Niederlage | 16-5 | Gleison Tibau | Decision (unanimous) | | UFC Fight Night: Condit vs. Kampmann | Apr 01, 2009 | 3 | 5:00 | Tennessee, United States |
| Niederlage | 16-4 | Joe Lauzon | Submission (armbar) | | UFC Fight Night: Lauzon vs. Stephens | Feb 07, 2009 | 2 | 4:43 | Florida, United States |
| Sieg | 16-3 | Rafael dos Anjos | KO (punches) | | UFC 91 | Nov 15, 2008 | 3 | 0:39 | Las Vegas, Nevada, United States |
| Niederlage | 15-3 | Spencer Fisher | Decision (unanimous) | | The Ultimate Fighter: Team Rampage vs Team Forrest Finale | Jun 21, 2008 | 3 | 5:00 | Nevada, United States |
| Sieg | 15-2 | Cole Miller | TKO (punches and elbows) |  | UFC Fight Night: Swick vs Burkman | Jan 23, 2008 | 2 | 4:44 | Nevada, United States |
| Sieg | 14-2 | Diego Saraiva | Decision (unanimous) | | UFC 76 | Sep 22, 2007 | 3 | 5:00 | California, United States |
| Sieg | 13-2 | Nick Walker | TKO (punches) | | MCC 9: Heatwave | Jul 27, 2007 | 1 | 4:45 | Iowa, United States |
| Niederlage | 12-2 | Din Thomas | Submission (armbar) | | UFC 71 | May 26, 2007 | 2 | 2:44 | Nevada, United States |
| Sieg | 12-1 | Vern Jefferson | TKO (punches) | | Greensparks: Full Contact Fighting 3 | Mar 17, 2007 | 1 | 3:58 | Iowa, United States |
| Sieg | 11-1 | Norm Alexander | Submission (triangle choke) | | TFC: Battle at the Barn | Feb 21, 2007 | 1 | 3:26 | Iowa, United States |
| Sieg | 10-1 | Chris Mickle | KO (punch) | | MCC 5: Thanksgiving Throwdown | Nov 22, 2006 | 4 | 0:27 | Iowa, United States |
| Sieg | 9-1 | Aaron Williams | TKO (punches) | | Universal Gladiator Championships 4 | Sep 22, 2006 | 1 | - | Louisiana, United States |
| Sieg | 8-1 | Doug Alcorn | Submission (armbar) | | Greensparks: Full Contact Fighting 1 | Aug 19, 2006 | 1 | 1:56 | Iowa, United States |
| Sieg | 7-1 | Chris Mickle | TKO (punches) | | MCC 4: The Rematch | Jul 15, 2006 | 2 | 3:36 | Iowa, United States |
| Sieg | 6-1 | Kendrick Johnson | KO (punch) | | Midwest Cage Championships 1 | Feb 11, 2006 | 1 | 1:46 | Iowa, United States |
| Sieg | 5-1 | Will Shutt | TKO (punches) | | XKK: Trials | Aug 27, 2005 | 1 | 1:19 | Iowa, United States |
| Niederlage | 4-1 | Chris Mickle | Submission (rear-naked choke) | | Downtown Destruction 3 | May 02, 2005 | 2 | 1:51 | Iowa, United States |
| Sieg | 4-0 | Sharome Blanchard | TKO (punches) | | XKK: Des Moines | Mar 19, 2005 | 1 | 2:36 | Iowa, United States |
| Sieg | 3-0 | Chris Caleb | KO (punch) | | Downtown Destruction 2 | Feb 02, 2005 | 1 | 1:44 | Minnesota, United States |
| Sieg | 2-0 | Gary Percival | Submission (punches) | | Jungle Madness 2 | Jan 15, 2005 | 1 | - | Iowa, United States |
| Sieg | 1-0 | Ted Worthington | KO (punches) | | Downtown Destruction 1 | Jan 12, 2005 | 1 | 0:33 | Iowa, United States |
