| Niederlage | 15-3 (1) | Shawn Jordan  | TKO (punches) | | UFC on Fox 6: Johnson vs Dodson | Jan 26, 2013 | 2 | 3:48 | Chicago, United States |
| Niederlage | 15-2 (1) | Fabricio Werdum  | TKO (punches) | | UFC 147: Belfort vs Silva 2 | Jun 23, 2012 | 1 | 2:28 | Belo Horizonte, Brazil |
| Sieg | 15-1 (1) | John-Olav Einemo | Decision (unanimous) |  | UFC: Evans vs Davis | Jan 28, 2012 | 3 | 5:00 | Chicago, United States |
| Sieg | 14-1 (1) | Jon Madsen | TKO (doctor stoppage) |  | UFCt: Nogueira vs. Davis | Mar 26, 2011 | 2 | 5:00 | Washington, United States |
| Sieg | 13-1 (1) | Todd Duffee | KO (punch) |  | UFC 114 | May 29, 2010 | 3 | 2:33 | Las Vegas, United States |
| Sieg | 12-1 (1) | Justin McCully | Decision (unanimous) |  | UFC 102 | Aug 29, 2009 | 3 | 5:00 | Portland, United States |
| Sieg | 11-1 (1) | Braden Bice | Submission | | Adrenaline MMA 2: Miletich vs Denny | Dec 11, 2008 | 1 | 1:13 | Moline, Illinois, United States |
| Sieg | 10-1 (1) | Jason Guida | Submission (guillotine choke) | | Adrenaline MMA: Guida vs. Russow | Jun 14, 2008 | 1 | 2:13 | Illinois, United States |
| Sieg | 9-1 (1) | Roman Zentsov  | Submission |  | Yarennoka! | Dec 31, 2007 | 1 | 2:58 | Saitama, Saitama, Japan |
| Sieg | 8-1 (1) | Steve Campbell | Submission | | XFO 21 | Dec 01, 2007 | 2 | 4:32 | Illinois, United States |
| Sieg | 7-1 (1) | Pat Harmon | KO (punch) | | Bourbon Street Brawl 4 | Jul 25, 2007 | 1 | 2:10 | Chicago, United States |
| Sieg | 6-1 (1) | Demian Decorah | Submission (kimura) | | XFO 18 | Jun 30, 2007 | 1 | 2:54 | Wisconsin, United States |
| Sieg | 5-1 (1) | Scott Harper | Submission (keylock) | | XFO 16 | May 05, 2007 | 1 | 0:32 | Illinois, United States |
| Niederlage | 4-1 (1) | Sergei Kharitonov | Submission (armbar) |  | Pride 33 | Feb 24, 2007 | 1 | 3:46 | Las Vegas, United States |
| Sieg | 4-0 (1) | Steve Conkel | Submission | | Bourbon Street Brawl 2 | Jan 24, 2007 | 1 | 1:00 | Illinois, United States |
| Sieg | 3-0 (1) | Chris Harrison | Submission (keylock) | | XFO 14 | Dec 09, 2006 | 1 | 1:11 | Illinois, United States |
| Sieg | 2-0 (1) | Brandon Quigley | KO (punches) | | Combat: Do Fighting Challenge 7 | Apr 22, 2006 | 1 | 0:18 | Illinois, United States |
| NC | 1-0 (1) | Ed Meyer | No Contest | | Combat: Do Fighting Challenge 6 | Feb 25, 2006 | - | N/A | Illinois, United States |
| Sieg | 1-0 | Nate Schroeder | Decision (unanimous) | | JKD: Challenge 1 | Apr 25, 1998 | 3 | 5:00 | Chicago, United States |
