| Niederlage | 17-16-1 (2) | Rakim Cleveland  | TKO (punches) |  | Primus FC | Dec 09, 2017 | 3 | 3:04 | Woodward, Oklahoma, United States |
| Niederlage | 17-15-1 (2) | Rakim Cleveland | TKO (Knees and Punches) |  | EC - Extreme Challenge 234 | Apr 15, 2017 | 1 | 4:45 | Iowa, United States |
| Sieg | 17-14-1 (2) | Brian Green | Decision (unanimous) |  | The Fight Series | Oct 09, 2016 | 3 | 5:00 | West Des Moines, Iowa, United States |
| Niederlage | 16-14-1 (2) | Evan Nedd | TKO (Punches) |  | RFC - Redemption Fighting Championship 2 | Apr 29, 2016 | 3 | 4:57 | Oranjestad, Aruba |
| Niederlage | 16-13-1 (2) | Guilherme Viana  | TKO (doctor stoppage) |  | Bellator 146: Kato vs Manhoef | Nov 20, 2015 | 2 | 5:00 | Thackerville, United States |
| Niederlage | 16-12-1 (2) | Tony Lopez | TKO (Punches) | | LF - Legend Fights | Jul 24, 2015 | 3 | 4:35 | Shawnee, United States |
| Niederlage | 16-11-1 (2) | Virgil Zwicker | Decision (split) |  | Bellator 132 | Jan 16, 2015 | 3 | 5:00 | Temecula, United States |
| Unentschieden | 16-10-1 (2) | Virgil Zwicker | Draw (majority) |  | Bellator 129 | Oct 17, 2014 | 3 | 5:00 | Council Bluffs, United States |
| Sieg | 16-10 (2) | Matt Uhde | TKO (Doctor Stoppage) |  | Bellator 117 | Apr 18, 2014 | 2 | 5:00 | Cedar Rapids, United States |
| Niederlage | 15-10 (2) | Vladimir Matyushenko  | Decision (unanimous) |  | Bellator 99 | Sep 13, 2013 | 3 | 5:00 | Temecula, United States |
| Sieg | 15-9 (2) | Chuck Grigsby | KO (punch) | | Victory Fighting Championship 40 | Jul 27, 2013 | 4 | 1:39 | Ralston, United States |
| Sieg | 14-9 (2) | Dennis Reed | Submission (Punches) | | VFC - Victory Fighting Championship 39 | Mar 30, 2013 | 1 | 1:01 | Ralston, United States |
| Niederlage | 13-9 (2) | Jan Błachowicz  | Decision (unanimous) | | KSW 20 | Sep 15, 2012 | 3 | 5:00 | Gdansk, Poland |
| Niederlage | 13-8 (2) | Gilbert Yvel  | KO (punches) | | RFA 2 - Yvel vs. Alexander | Mar 30, 2012 | 1 | 3:59 | Nebraska, United States |
| Niederlage | 13-7 (2) | Steve Bossé  | KO (elbow) | | Instinct MMA 1 | Oct 07, 2011 | 2 | 4:11 | Montreal, Quebec, Canada |
| Sieg | 13-6 (2) | Razak Al-Hassan | TKO (doctor stoppage) | | MMA Fight Pit: Genesis | Aug 13, 2011 | 2 | 5:00 | New Mexico, United States |
| Sieg | 12-6 (2) | Brian Albin | TKO (doctor stoppage) | | Caged In The Coliseum: Albin vs Alexander | Jun 25, 2011 | 3 | 0:26 | Mississippi, United States |
| Sieg | 11-6 (2) | Rameau Thierry Sokoudjou  | TKO (punches) | | Shark Fights 13: Jardine vs Prangley | Sep 11, 2010 | 2 | 1:31 | Texas, United States |
| Sieg | 10-6 (2) | David Griffin | Decision (unanimous) | | UFA 1: The Clash at the Coliseum | Jun 11, 2010 | 3 | 5:00 | South Carolina, United States |
| NC | 9-6 (2) | Justin Grizzard | NC (eye poke) | | Extreme Challenge: The Aftermath | Mar 27, 2010 | 2 | 1:34 | Iowa, United States |
| Niederlage | 9-6 (1) | Joey Beltran | TKO (punches) | | 5150 Combat League/XFL: New Year's Revolution | Jan 16, 2010 | 2 | 3:49 | Oklahoma, United States |
| Niederlage | 9-5 (1) | Kevin Ferguson | Decision (unanimous) | | TUF 10 Finale | Dec 05, 2009 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 9-4 (1) | Sherman Pendergarst | TKO (leg kicks and strikes) | | Adrenaline MMA IV | Sep 18, 2009 | 1 | 1:51 | Iowa, United States |
| Niederlage | 8-4 (1) | Eric Schafer | Submission | | UFC Fight Night: Diaz vs Neer | Sep 17, 2008 | 1 | 4:53 | Nebraska, United States |
| Niederlage | 8-3 (1) | James Irvin | KO (punches) | | UFC Fight Night 13 | Apr 02, 2008 | 1 | 0:08 | Colorado, United States |
| Niederlage | 8-2 (1) | Thiago Silva | KO (punches) | | UFC 78 | Nov 17, 2007 | 1 | 3:25 | New Jersey, United States |
| Sieg | 8-1 (1) | Alessio Sakara  | TKO (knee and punches) |  | UFC 75 | Sep 08, 2007 | 1 | 1:01 | London, England  |
| Sieg | 7-1 (1) | Keith Jardine | KO (punches) | | UFC 71 | May 26, 2007 | 1 | 0:48 | Las Vegas, United States |
| NC | 6-1 (1) | Todd Allee | NC (illegal knees) | | Extreme Challenge 76 | Mar 31, 2007 | 1 | 3:23 | Sloan, Iowa, United States |
| Sieg | 6-1 | Jon Murphy | TKO (punches) | | Extreme Challenge 76 | Mar 31, 2007 | 1 | 0:56 | Sloan, Iowa, United States |
| Sieg | 5-1 | Demian Decorah | Decision (unanimous) | | Downtown Destruction 1 | Jan 12, 2005 | 5 | 3:00 | Des Moines, United States |
| Sieg | 4-1 | Brandon Quigley | TKO (punches) | | Judgment Night 2 | Nov 03, 2004 | 1 | 0:41 | Des Moines, United States |
| Sieg | 3-1 | Justin Butler | KO (punches) | | Gladiators 20 | Mar 15, 2003 | 1 | 0:38 | Des Moines, United States |
| Sieg | 2-1 | Chuck Purdow | Submission (punches) | | Gladiators 17 | Aug 18, 2001 | 1 | 0:58 | Nebraska, United States |
| Sieg | 1-1 | Jamie Webb | Submission (punches) | | Gladiators 16 | Jun 30, 2001 | 1 | 2:18 | Des Moines, United States |
| Niederlage | 0-1 | Jason Medina | Submission (Arm Triangle Choke) | | Extreme Challenge 40 | Jun 16, 2001 | 2 | 0:47 | Illinois, United States |
