| Sieg | 25-7 | Ed Herman  | TKO (Punches) |  | UFC Fight Night: Holloway vs Allen | Apr 15, 2023 | 3 | 4:13 | Las Vegas, Nevada, United States |
| Cancelled Bout | | Sam Alvey | - |  | UFC on ABC 2: Vettori vs. Holland | Apr 10, 2021 | - | - | Las Vegas, Nevada, United States |
| Sieg | 24-7 | Alessio Di Chirico  | Decision (Unanimous) |  | UFC Fight Night 175: Smith vs Rakic | Aug 29, 2020 | 3 | 5:00 | Las Vegas, Nevada, United States |
| Cancelled Bout | | Andrew Sanchez | - |  | UFC on ESPN+ 31: Smith vs Teixeira | Apr 25, 2020 | - | - | Lincoln, Nebraska, United States |
| Niederlage | 23-7 | Omari Akhmedov  | Decision (Unanimous) |  | UFC 242: Khabib vs Poirier | Sep 07, 2019 | 3 | 5:00 | Abu Dhabi, Dubai, United Arab Emirates |
| Sieg | 23-6 | Trevin Giles | Submission (Guillotine Choke) |  | UFC on ESPN+ 9: Dos Anjos vs Lee | May 18, 2019 | 2 | 4:01 | Rochester, New York, United States |
| Sieg | 22-6 | Trevor Smith | Decision (Unanimous) | | UFC on FOX 31: Lee vs Iaquinta 2 | Dec 15, 2018 | 3 | 5:00 | Milwaukee, Wisconsin, United States |
| Niederlage | 21-6 | Michel Prazeres  | Decision (Split) | | UFC Fight Night 129: Usman vs Maia | May 19, 2018 | 3 | 5:00 | Santiago, Chile |
| Sieg | 21-5 | Nathan Coy | Technical Submission (guillotine choke) | | UFC on Fox: Johnson vs. Reis | Apr 15, 2017 | 1 | 4:21 | Missouri, United States |
| Sieg | 20-5 | Alexander Yakovlev | Submission (straight armbar) |  | UFC Fight Night 99: Mousasi vs Hall 2 | Nov 19, 2016 | 2 | 4:02 | Belfast, Northern Ireland |
| Niederlage | 19-5 | Santiago Ponzinibbio  | Decision (unanimous) |  | UFC Fight Night 92: Caceres vs Rodriguez | Aug 06, 2016 | 3 | 5:00 | Salt Lake City, Utah, United States |
| Sieg | 19-4 | Nicolas Dalby  | Decision (unanimous) | | UFC Fight Night: Rothwell vs. dos Santos | Apr 10, 2016 | 3 | 5:00 | Zagreb, Croatia |
| Sieg | 18-4 | Dominique Steele | TKO (punches) | | UFC on Fox: Dillashaw vs. Barão 2 | Jul 25, 2015 | 1 | 0:43 | Illinois, United States |
| Niederlage | 17-4 | Gunnar Nelson  | Submission (rear-naked choke) |  | UFC Fight Night: McGregor vs. Brandao | Jul 19, 2014 | 2 | 4:48 | Dublin, Ireland  |
| Sieg | 17-3 | Yan Cabral | Decision (unanimous) | | UFC Fight Night: Brown vs. Silva | May 10, 2014 | 3 | 5:00 | Ohio, United States |
| Sieg | 16-3 | Ben Alloway | Submission (D'Arce choke) | | UFC Fight Night: Condit vs. Kampmann 2 | Aug 28, 2013 | 1 | 4:19 | Indiana, United States |
| Sieg | 15-3 | Brandon Newsome | Submission (guillotine choke) | | Slay Marketing: Fight Night Returns | Mar 24, 2012 | 1 | 2:38 | Missouri, United States |
| Sieg | 14-3 | Lamont Stafford | Submission (rear-naked choke) | | Slay Marketing | Feb 11, 2012 | 1 | 1:46 | Missouri, United States |
| Niederlage | 13-3 | Ryan Jimmo | Decision (unanimous) | | MFC 29: Conquer | Apr 08, 2011 | 5 | 5:00 | Ontario, Canada |
| Sieg | 13-2 | Jonathan Smith | TKO (punches) | | SMMA: The Proving Ground | Feb 19, 2011 | 1 | 0:50 | Missouri, United States |
| Sieg | 12-2 | Dennis Reed | Submission (armbar) | | XCF 13: Cummings vs. Reed | Sep 18, 2010 | 1 | 0:58 | Missouri, United States |
| Sieg | 11-2 | Rudy Bears | Submission (D'Arce choke) | | Bellator 26 | Aug 26, 2010 | 1 | 1:27 | Missouri, United States |
| Niederlage | 10-2 | Elvis Mutapcic  | Decision (unanimous) | | Midwest Cage Championships 27 | Jun 11, 2010 | 5 | 5:00 | Iowa, United States |
| Niederlage | 10-1 | Tim Kennedy | Submission | | ShoMMA | Sep 25, 2009 | 2 | 2:43 | Bixby, Okahoma, United States |
| Sieg | 10-0 | Dominic Brown | TKO (punches) | | FM: Productions | May 09, 2009 | 1 | 2:19 | Missouri, United States |
| Sieg | 9-0 | Terry Martin | Decision (split) | | XCF: Rumble in Racetown 1 | Feb 14, 2009 | 3 | 5:00 | Florida, United States |
| Sieg | 8-0 | Cole Jennet | Submission (neck crank) | | MCC 17: Thanksgiving Throwdown | Nov 26, 2008 | 1 | 2:11 | Iowa, United States |
| Sieg | 7-0 | Leo Pla | TKO (punches) | | FM: Productions | Sep 13, 2008 | 2 | 3:48 | Missouri, United States |
| Sieg | 6-0 | Danny Anderson | Decision (unanimous) | | MCC 15: Lights Out! | Jul 25, 2008 | 3 | 5:00 | Iowa, United States |
| Sieg | 5-0 | Jason Broom | TKO (punches) | | ISCF: Brawl at the Hall | May 19, 2008 | 2 | 2:21 | Missouri, United States |
| Sieg | 4-0 | Victor Moreno | Submission (americana) | | MCC 13: Contenders | Apr 25, 2008 | 2 | 2:19 | Iowa, United States |
| Sieg | 3-0 | James Bunch | Submission (choke) | | FM: Productions | Apr 18, 2008 | 2 | 1:34 | Missouri, United States |
| Sieg | 2-0 | Rudy Bears | Submission (choke) | | FM: Productions | Feb 01, 2008 | 3 | 2:08 | Missouri, United States |
| Sieg | 1-0 | Ron Jackson | Decision (unanimous) | | Titan FC 10 | Nov 28, 2007 | 3 | - | Kansas, United States |
