| align=center| 27–4–2 | Kenichi Yamamoto | Submission (guillotine choke) | UFC 29 | | align=center| 2 | align=center| 1:58 | Tokyo, Japan | |- | Loss | align=center| 26–4–2 | Kiyoshi Tamura | Decision (majority) | Rings: Millennium Combine 3 | | align=center| 2 | align=center| 5:00 | Yokohama, Japan | |- | Win | align=center| 26–3–2 | John Alessio | Submission (armbar) | UFC 26 | | align=center| 2 | align=center| 1:43 | Cedar Rapids, Iowa, United States | |- | Loss | align=center| 25–3–2 | José Landi-Jons | TKO (corner stoppage) | WEF 8 - Goin' Platinum | | align=center| 1 | align=center| 8:00 | Rome, Georgia, United States | |- | Win | align=center| 25–2–2 | Shonie Carter | Decision (unanimous) | Extreme Challenge 27 | | align=center| 1 | align=center| 20:00 | Davenport, Iowa, United States | |- | Win | align=center| 24–2–2 | André Pederneiras | TKO (doctor stoppage) | UFC 21 | | align=center| 2 | align=center| 2:20 | Cedar Rapids, Iowa, United States | |- | Win | align=center| 23–2–2 | Clayton Miller | Submission (triangle choke) | Cage Combat 2 | | align=center| 1 | align=center| 0:40 | Ottumwa, Iowa, United States | |- | Loss | align=center| 22–2–2 | Jutaro Nakao | Technical Submission (triangle choke) | SuperBrawl 11 | | align=center| 1 | align=center| 9:22 | Honolulu, Hawaii, United States | |- | Win | align=center| 22–1–2 | Jorge Patino | Decision (unanimous) | UFC 18 | | align=center| 1 | align=center| 21:00 | New Orleans, Louisiana, United States | |- | Win | align=center| 21–1–2 | Mikey Burnett | Decision (split) | UFC Brazil | | align=center| 1 | align=center| 21:00 | São Paulo, Brazil | |- | Draw | align=center| 20–1–2 | Dan Severn | Draw | Extreme Challenge 20 | | align=center| 1 | align=center| 20:00 | Davenport, Iowa, United States | |- | Win | align=center| 20–1–1 | Al Buck, Jr. | Submission (choke) | Midwest Shootfighting 1 | | align=center| 2 | align=center| 2:49 | Clinton, Iowa, United States | |- | Win | align=center| 19–1–1 | Chris Brennan | Submission (shoulder choke) | rowspan=2| UFC 16 | rowspan=2| | align=center| 1 | align=center| 9:02 | rowspan=2| New Orleans, Louisiana, United States | |- | Win | align=center| 18–1–1 | Townsend Saunders | Decision (split) | align=center| 1 | align=center| 15:00 | |- |