& punches) | TPF 7: Deck the Halls | | align=center| 1 | align=center| 2:15 | Lemoore, California, United States | Catchweight (174 lbs) bout. Controversial loss due to Baczynski "phantom tapping" due to an armbar, prompting McKenzie to release it before referee stoppage. |- | Loss | align=center| 13–8 | Josh Thornburg | Submission (armbar) | Global Knockout: Fall Brawl | | align=center| 1 | align=center| 0:59 | Jackson, California, United States | |- | Win | align=center| 13–7 | Marcus Gaines | Submission (armbar) | RF: Rebel Fighter | | align=center| 1 | align=center| 2:58 | Placerville, California, United States | |- | Loss | align=center| 12–7 | David Mitchell | Submission (guillotine choke) | TPF 4: Cinco de Mayhem | | align=center| 1 | align=center| 1:10 | Lemoore, California, United States | Return to Welterweight; for the inaugural Tachi Palace Fights Welterweight Championship. |- | Loss | align=center| 12–6 | Aaron Simpson | TKO (punches) | UFC Fight Night: Condit vs. Kampmann | | align=center| 1 | align=center| 1:40 | Nashville, Tennessee, United States | |- | Win | align=center| 12–5 | Jeremy Lang | Submission (guillotine choke) | WEC 34 | | align=center| 3 | align=center| 0:40 | Sacramento, California, United States |Return to Middleweight. |- | Loss | align=center| 11–5 | Steve Cantwell | Submission (rear-naked choke) | WEC 33 | | align=center| 1 | align=center| 2:13 | Las Vegas, Nevada, United States | |- | Win | align=center| 11–4 | Yuichi Nakanishi | Submission (rear-naked choke) | BODOGFight: Vancouver | | align=center| 2 | align=center| 1:12 | Vancouver, British Columbia, Canada | |- | Loss | align=center| 10–4 | Chael Sonnen | Submission (D'arce choke) | BODOGFight: Costa Rica Combat | | align=center| 1 | align=center| 0:13 | Costa Rica | |- | Win | align=center| 10–3 | Mike McGuinnes | TKO | ICFO 1: Stockton | | align=center| 1 | align=center| N/A | Stockton, California, United States | |- | Win | align=center| 9–3 | Doug Marshall | TKO (punches & elbows) | WEC 19 | | align=center| 1 | align=center| 3:35 | Lemoore, California, United States | |- | Loss | align=center| 8–3 | Scott Smith | TKO (punches) | WEC 17 | | align=center| 1 | align=center| 2:25 | Lemoore, California, United States | |- | Win | align=center| 8–2 | Bill Mahood | KO (punches) | Freedom Fight: Canada vs