| Niederlage | 19-2 (1) | Demian Maia  | Technical Submission (Rear-Naked Choke) |  | UFC on ESPN+ 20: Maia vs Askren | Oct 26, 2019 | 3 | 3:54 | Kallang, Singapore |
| Niederlage | 19-1 (1) | Jorge Masvidal  | TKO (Head Kick and Punches) |  | UFC 239: Jones vs Santos | Jul 06, 2019 | 1 | 0:05 | Las Vegas, Nevada, United States |
| Sieg | 19-0 (1) | Robbie Lawler | Technical Submission (Bulldog Choke) | | UFC 235 | Mar 02, 2019 | 1 | 3:20 | Las Vegas, Nevada, United States |
| Sieg | 18-0 (1) | Shinya Aoki  | TKO (Punches) |  | ONE Championship: Immortal Pursuit | Nov 24, 2017 | 1 | 0:57 | Kallang, Singapore |
| Sieg | 17-0 (1) | Zebaztian Kadestam  | TKO (Punches) |  | ONE Championship: Shanghai | Sep 02, 2017 | 2 | 4:09 | Shanghai, China |
| Sieg | 16-0 (1) | Agilan Thangalapani | Submission (Arm-Triangle Choke) |  | ONE Championship: Dynasty of Heroes | May 26, 2017 | 1 | 2:20 | Kallang, Singapore |
| Sieg | 15-0 (1) | Nikolay Aleksakhin  | Decision (Unanimous) |  | One FC 40 | Apr 15, 2016 | 5 | 5:00 | Manila, Philippines |
| NC | 14-0 (1) | Luis Santos | No Contest (eye poke) |  | One FC 27 | Apr 24, 2015 | 1 | 2:19 | Manila, Philippines |
| Sieg | 14-0 | Nobutatsu Suzuki | TKO (Punches) |  | One FC 19 | Aug 29, 2014 | 1 | 1:24 | Dubai, United Arab Emirates |
| Sieg | 13-0 | Bakhtiyar Abbasov  | Submission |  | One FC 16 | May 30, 2014 | 1 | 4:21 | Kallang, Singapore  |
| Sieg | 12-0 | Andrey Koreshkov | TKO (Punches) |  | Bellator 97 | Jul 31, 2013 | 4 | 2:58 | Rio Rancho, United States |
| Sieg | 11-0 | Karl Amoussou  | TKO (doctor stoppage) | | Bellator 86 | Jan 24, 2013 | 3 | 5:00 | Thackerville, Oklahoma, US |
| Sieg | 10-0 | Douglas Lima | Decision (unanimous) | | Bellator 64 | Apr 06, 2012 | 5 | 5:00 | Windsor, Ontario, Canada |
| Sieg | 9-0 | Jay Hieron | Decision (split) | | Bellator 56 | Oct 29, 2011 | 5 | 5:00 | Kansas City, Kansas, US |
| Sieg | 8-0 | Nick Thompson | Decision (unanimous) |  | Bellator 40 | Apr 09, 2011 | 3 | 5:00 | Newkirk, Oklahoma, US |
| Sieg | 7-0 | Lyman Good | Decision (unanimous) |  | Bellator 33 | Oct 21, 2010 | 5 | 5:00 | Philadelphia, Pennsylvania, US |
| Sieg | 6-0 | Dan Hornbuckle | Decision (unanimous) |  | Bellator 22 | Jun 17, 2010 | 3 | 5:00 | Kansas City, Missouri, US |
| Sieg | 5-0 | Ryan Thomas | Decision (unanimous) |  | Bellator 19 | May 20, 2010 | 3 | 5:00 | Grand Prairie, Texas, US |
| Sieg | 4-0 | Ryan Thomas | Teh. Submission (Crank/Choke) |  | Bellator 14 | Apr 15, 2010 | 1 | 2:40 | Chicago, Illinois, United States |
| Sieg | 3-0 | Matt Delanoit | Submission | | MFDM: Ballroom Brawl | Aug 28, 2009 | 1 | 1:15 | Des Moines, Iowa, US |
| Sieg | 2-0 | Mitchell Harris | Submission (arm triangle choke) | | HP: The Patriot Act 2 | Apr 25, 2009 | 1 | 1:27 | Columbia, Missouri, US |
| Sieg | 1-0 | Josh Flowers | TKO (punches) | | HP: The Patriot Act | Feb 07, 2009 | 1 | 1:25 | Columbia, Missouri, US |
