| Sieg | 15-2 | Josh Appelt  | Submission (rear-naked choke) |  | Bellator 162: Shlemenko vs Grove | Oct 21, 2016 | 2 | 1:43 | Memphis, Tennessee, United States |
| Sieg | 14-2 | James Thompson  | TKO (punches) |  | Bellator 145: Vengeance | Nov 06, 2015 | 1 | 0:54 | St. Louis, United States |
| Sieg | 13-2 | Dan Charles | TKO (punches) |  | Bellator 138: Unfinished Business | Jun 19, 2015 | 2 | 4:14 | St. Louis, United States |
| Sieg | 12-2 | Karl Etherington | Submission (punches) |  | Bellator 130 | Oct 24, 2014 | 1 | 1:31 | Mulvane, Kansas, United States |
| Sieg | 11-2 | Josh Burns | Submission (Rear-Naked Choke) |  | Bellator 123 | Sep 05, 2014 | 2 | 3:54 | Uncasville, United States |
| Sieg | 10-2 | Tony Melton | Decision (unanimous) |  | Xtreme Fight Night 15 | Nov 08, 2013 | 5 | 5:00 | Catoosa, United States |
| Sieg | 9-2 | Matt Larson | Submission (Rear-Naked Choke) |  | GWC - The British Invasion: U.S. vs U.K. | Jun 29, 2013 | 1 | 1:38 | Kansas City, United States |
| Sieg | 8-2 | Kevin Asplund | Submission (keylock) |  | Titan FC 25: Lashley vs Asplund | Jun 07, 2013 | 2 | 1:23 | Fort Riley, United States |
| Niederlage | 7-2 | James Thompson | Decision (unanimous) | | Super Fight League 3 | May 06, 2012 | 3 | 5:00 | New Delhi, India  |
| Sieg | 7-1 | Karl Knothe | Submission (keylock) | | Shark Fight 21: Knothe vs Lashley | Nov 11, 2011 | 1 | 3:44 | Lubbock, Texas, United States |
| Sieg | 6-1 | John Ott | Decision (unanimous) | | Titan FC 17: Lashley vs Ott | Mar 25, 2011 | 3 | 5:00 | Kansas, United States |
| Niederlage | 5-1 | Chad Griggs | TKO (exhaustion) |  | Strikeforce: Houston | Aug 21, 2010 | 2 | 5:00 | Houston, Texas, United States |
| Sieg | 5-0 | Wes Sims | TKO (punches) | | Strikeforce: Miami | Jan 30, 2010 | 1 | 2:06 | Florida, United States |
| Sieg | 4-0 | Bob Sapp | Submission (punches) | | Ultimate Chaos | Jun 27, 2009 | 1 | 3:17 | Mississippi, United States |
| Sieg | 3-0 | Mike Cook | Technical Submission | | MFC 21 | May 15, 2009 | 1 | 0:24 | Enoch, Alberta, Canada |
| Sieg | 2-0 | Jason Guida | Decision (unanimous) | | SRP: March Badness | Mar 21, 2009 | 3 | 5:00 | Florida, United States |
| Sieg | 1-0 | Joshua Franklin | TKO (doctor stoppage) | | MFA: There Will Be Blood | Dec 13, 2008 | 1 | 0:41 | Miami, Florida, United States |
