| Niederlage | 23-11 | Thiago Alves  | Decision (unanimous) |  | UFC 210: Cormier vs Johnson 2 | Apr 08, 2017 | 3 | 5:00 | Buffalo, New York, United States  |
| Niederlage | 23-10 | Donald Cerrone | TKO (punches) |  | UFC Fight Night 89: MacDonald vs Thompson | Jun 18, 2016 | 3 | 2:35 | Ottawa, Ontario, Canada  |
| Sieg | 23-9 | Ben Saunders | TKO (punches) |  | UFC Fight Night 81: Dillashaw vs Cruz | Jan 17, 2016 | 2 | 1:14 | Boston, United States |
| Sieg | 22-9 | Josh Burkman | TKO (Punches) |  | UFC Fight Night: Holloway vs Oliveira | Aug 23, 2015 | 3 | 1:26 | Saskatoon, Canada |
| Sieg | 21-9 | Joe Riggs | Decision (unanimous) |  | UFC 186 | Apr 25, 2015 | 3 | 5:00 | Montreal, Quebec, Canada |
| Niederlage | 20-9 | Stephen Thompson | Decision (unanimous) |  | UFC 178: Johnson vs Cariaso | Sep 27, 2014 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 20-8 | Kyle Noke  | Decision (unanimous) |  | The Ultimate Fighter Nations Finale: Bisping vs Kennedy | Apr 16, 2014 | 3 | 5:00 | Quebec City, Canada |
| Sieg | 19-8 | Bobby Voelker | Decision (unanimous) |  | UFC 158: St.Pierre vs Diaz | Mar 16, 2013 | 3 | 5:00 | Montreal, Quebec, Canada |
| Sieg | 18-8 | Alessio Sakara  | DQ (punches to back of head) | | UFC 154: St. Pierre vs Condit | Nov 17, 2012 | 1 | 1:26 | Montreal, Quebec, Canada |
| Niederlage | 17-8 | Cung Le  | Decision (unanimous) |  | UFC 148: Silva vs Sonnen 2 | Jul 07, 2012 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 17-7 | Gustavo Machado | KO (punches) |  | Amazon Forest Combat 2 | Mar 31, 2012 | 1 | 2:44 | Manaus, Brazil |
| Sieg | 16-7 | Crafton Wallace | TKO (knee injury) |  | Iimpact MMA 1 | Oct 07, 2011 | 1 | 1:36 | Boisbriand, Quebec, Canada |
| Sieg | 15-7 | Todd Brown | Decision (unanimous) |  | Ringside MMA 11 | Jun 04, 2011 | 3 | 5:00 | Quebec City, Quebec, Canada |
| Sieg | 14-7 | Kalib Starnes | Decision (unanimous) |  | Ringside MMA 10 | Apr 09, 2011 | 3 | 5:00 | Montreal, Quebec, Canada |
| Niederlage | 13-7 | Tom Lawlor | Decision (unanimous) |  | UFC 121 | Oct 23, 2010 | 3 | 5:00 | California, United States |
| Niederlage | 13-6 | Alan Belcher | Submission |  | UFC 113 | May 08, 2010 | 2 | 3:25 | Montreal, Quebec, Canada |
| Niederlage | 13-5 | Anderson Silva | TKO (knee injury) |  | UFC 90 | Oct 25, 2008 | 3 | 0:39 | Rosemont, Illinois, U.S. |
| Sieg | 13-4 | Ricardo Almeida | Decision (split) |  | UFC 86 | Jul 05, 2008 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 12-4 | Drew McFedries | TKO (punches) | | UFN 12 | Jan 23, 2008 | 1 | 1:44 | Las Vegas, United States |
| Sieg | 11-4 | Kendall Grove | TKO (punches) | | UFC 74 | Aug 25, 2007 | 1 | 4:45 | Las Vegas, United States |
| Sieg | 10-4 | Jason Day | Submission (punches) | | TKO 29 | Jun 01, 2007 | 1 | 4:05 | Montreal, Quebec, Canada |
| Sieg | 9-4 | Scott Smith | Decision (unanimous) | | UFC 67 | Feb 03, 2007 | 3 | 5:00 | Las Vegas, United States |
| Niederlage | 8-4 | Travis Lutter | Submission (armbar) | | TUF 4 Finale | Nov 11, 2006 | 1 | 2:18 | Las Vegas, United States |
| Sieg | 8-3 | Jason MacDonald | Submission (rear-naked choke) | | Maximum FC 9 | Mar 10, 2006 | 5 | 3:35 | Edmonton, Alberta, Canada |
| Sieg | 7-3 | Bill Mahood | Submission (guillotine choke) | | KOTC | Feb 11, 2006 | 2 | 2:42 | Prince George,Canada |
| Niederlage | 6-3 | Chris Leben | Decision (split) | | UFC Ultimate Fight Night | Aug 05, 2005 | 3 | 5:00 | Nevada, United States |
| Niederlage | 6-2 | Joe Doerksen | Submission (rear-naked choke) | | UFC 52 | Apr 16, 2005 | 3 | 2:35 | Las Vegas,United States |
| Sieg | 6-1 | Ricardeau Francois | Decision (split) | | TKO 19 | Jan 29, 2005 | 3 | 5:00 | Montreal, Quebec, Canada |
| Niederlage | 5-1 | Tito Ortiz | Decision (unanimous) | | UFC 50 | Oct 22, 2004 | 3 | 5:00 | Atlantic City, United States |
| Sieg | 5-0 | Bill Mahood | KO (punch) | | TKO 16 | May 22, 2004 | 1 | 0:21 | Quebec City, Quebec, Canada |
| Sieg | 4-0 | Steve Vigneault | KO (punch) | | TKO 14 | Nov 29, 2003 | 1 | 1:08 | Victoriaville, Quebec, Canada |
| Sieg | 3-0 | Yan Pellerin | Decision (unanimous) | | TKO 13 | Sep 06, 2003 | 3 | 5:00 | Montreal, Quebec, Canada |
| Sieg | 2-0 | Glenn Murdoch | TKO (punches) | | UCC Proving Ground 9 | Mar 22, 2003 | 1 | 5:00 | Victoriaville, Canada |
| Sieg | 1-0 | Pascal Gosselin | Submission (rear-naked choke) | | UCC Proving Ground 8 | Nov 03, 2002 | 1 | 1:18 | Victoriaville, Canada |
