| Resultat | Facit | Motståndare | Metod | Event | Datum | Rond | Tid | Plats | Noteringar |
| Förlust | 45-9 | Josh Koscheck | KO (slag) | UFC 135 | 24 september 2011 | 1 | 4:59 | Denver, Colorado, United States | |
| Förlust | 45–8 | B.J. Penn | KO (slag) | UFC 123 | 20 november 2010 | 1 | 0:21 | Auburn Hills, Michigan, United States | |
| Vinst | 45–7 | Ricardo Almeida | Technical submission (Dave Schultz front headlock)[2] | UFC 117 | 7 augusti 2010 | 1 | 3:15 | Oakland, Kalifornien, United States | Submission of the Night. |
| Vinst | 44–7 | Renzo Gracie | TKO (bensparkar & slag) | UFC 112 | 10 april 2010 | 3 | 4:40 | Abu Dhabi, United Arab Emirates | |
| Vinst | 43–7 | Matt Serra | Decision (unanimous) | UFC 98 | 23 maj 2009 | 3 | 5:00 | Las Vegas, Nevada, United States | Fight of the Night. |
| Förlust | 42–7 | Thiago Alves | TKO (flying knee och slag) | UFC 85 | 7 juni 2008 | 2 | 1:02 | London, England | Catchweight fight; Alves weighed 174 lb |
| Förlust | 42–6 | Georges St-Pierre | Submission (armbar) | UFC 79 | 29 december 2007 | 2 | 4:54 | Las Vegas, Nevada, United States | För UFC:s welterviktstitel |
| Vinst | 42–5 | Chris Lytle | Decision (unanimous) | UFC 68 | 3 mars 2007 | 3 | 5:00 | Columbus, Ohio, United States | |
| Förlust | 41–5 | Georges St-Pierre | TKO (slag) | UFC 65 | 18 november 2006 | 2 | 1:25 | Sacramento, Kalifornien, United States | Förlorade UFC:s welterviktstitel |
| Vinst | 41–4 | B.J. Penn | TKO (slag) | UFC 63 | 23 september 2006 | 3 | 3:53 | Anaheim, Kalifornien, United States | Försvarade UFC:s welterviktstitel |
| Vinst | 40–4 | Royce Gracie | TKO (slag) | UFC 60 | 27 maj 2006 | 1 | 4:39 | Los Angeles, Kalifornien, United States | Catchweight fight; 175 lb ej titelmatch. |
| Vinst | 39–4 | Joe Riggs | Submission (kimura) | UFC 56 | 19 november 2005 | 1 | 3:26 | Las Vegas, Nevada, United States | Ej titelmatch, Riggs klarade inte viktgränsen. |
| Vinst | 38–4 | Frank Trigg | Submission (rear naked choke) | UFC 52 | 16 april 2005 | 1 | 4:05 | Las Vegas, Nevada, United States | Försvarade UFC:s welterviktstitel. |
| Vinst | 37–4 | Georges St-Pierre | Submission (armbar) | UFC 50 | 22 oktober 2004 | 1 | 4:59 | Atlantic City, New Jersey, United States | Vann UFC:s welterviktstitel. |
| Vinst | 36–4 | Renato Verissimo | Decision (unanimous) | UFC 48 | 19 juni 2004 | 3 | 5:00 | Las Vegas, Nevada, United States | |
| Förlust | 35–4 | B.J. Penn | Submission (rear naked choke) | UFC 46 | 31 januari 2004 | 1 | 4:39 | Las Vegas, Nevada, United States | Förlorade UFC:s welterviktstitel |
| Vinst | 35–3 | Frank Trigg | Submission (stående rear naked choke) | UFC 45 | 21 november 2003 | 1 | 3:54 | Uncasville, Connecticut, United States | Försvarade UFC:s welterviktstitel. |
| Vinst | 34–3 | Sean Sherk | Decision (unanimous) | UFC 42 | 25 april 2003 | 5 | 5:00 | Miami, Florida, United States | Försvarade UFC:s welterviktstitel |
| Vinst | 33–3 | Gil Castillo | TKO (doctor stoppage) | UFC 40 | 22 november 2002 | 1 | 5:00 | Las Vegas, Nevada, United States | Försvarade UFC:s welterviktstitel |
| Vinst | 32–3 | Carlos Newton | TKO (slag) | UFC 38 | 13 juli 2002 | 4 | 3:27 | London, England | Försvarade UFC:s welterviktstitel |
| Vinst | 31–3 | Hayato Sakurai | TKO (slag) | UFC 36 | 22 mars 2002 | 4 | 3:01 | Las Vegas, Nevada, United States | Försvarde UFC:s welterviktstitel |
| Vinst | 30–3 | Carlos Newton | KO (slam) | UFC 34 | 2 november 2001 | 2 | 1:27 | Las Vegas, Nevada, United States | Vann UFC:s welterviktstitel |
| Vinst | 29–3 | Steve Gomm | TKO | Extreme Challenge 43 | 8 september 2001 | 2 | 3:18 | Orem, Utah, United States | |
| Vinst | 28–3 | Hiromitsu Kanehara | Decision (majority) | Fighting Network Rings: 10th Anniversary | 11 augusti 2001 | 3 | 5:00 | Tokyo, Japan | |
| Vinst | 27–3 | Chatt Lavender | Submission (armtriangel) | Extreme Challenge 41 | 13 juli 2001 | 3 | 2:31 | Davenport, Iowa, United States | |
| Vinst | 26–3 | Scott Johnson | KO (slag) | Extreme Challenge 40 | 16 juni 2001 | 1 | 3:24 | Springfield, Illinois, United States | |
| Vinst | 25–3 | John Cronk | Submission (slag) | Gladiators 14 | 11 maj 2001 | 1 | N/A | Omaha, Nebraska, United States | |
| Vinst | 24–3 | Bruce Nelson | Submission (slag) | Freestyle Combat Challenge 4 | 31 mars 2001 | 1 | 3:01 | Racine, Wisconsin, United States | |
| Vinst | 23–3 | Brett Al-azzawi | Submission (armbar) | Rings USA: Battle of Champions | 17 mars 2001 | 1 | 3:27 | Council Bluffs, Iowa, United States | |
| Förlust | 22–3 | Jose Landi-Jons | TKO (knee) | Shidokan Jitsu: Warriors War 1 | 8 februari 2001 | 1 | 4:45 | Kuwait | |
| Förlust | 22–2 | Dennis Hallman | Submission (armbar) | UFC 29 | 16 december 2000 | 1 | 0:20 | Tokyo, Japan | |
| Vinst | 22–1 | Maynard Marcum | Submission (keylock) | Rings Australia: Free Fight Battle | 12 november 2000 | 1 | 6:29 | Brisbane, Australia | |
| Vinst | 21–1 | Robbie Newman | Submission (armtriangel) | Rings USA: Rising Stars Final | 30 september 2000 | 1 | 1:40 | Moline, Illinois, United States | |
| Vinst | 20–1 | Chris Haseman | Decision (unanimous) | Rings: Millennium Combine 3 | 23 augusti 2000 | 2 | 5:00 | Osaka, Japan | |
| Vinst | 19–1 | Joe Guist | Submission (armbar) | Extreme Challenge 35 | 29 juni 2000 | 1 | 2:45 | Davenport, Iowa, United States | |
| Vinst | 18–1 | Marcelo Aguiar | TKO (slag) | UFC 26 | 9 juni 2000 | 1 | 4:34 | Cedar Rapids, Iowa, United States | |
| Vinst | 17–1 | Shawn Peters | Submission (armtriangel) | Extreme Challenge 32 | 21 maj 2000 | 1 | 2:52 | Springfield, Illinois, United States | |
| Vinst | 16–1 | Alexandre Barros | Decision (unanimous) | WEF 9: World Class | 13 maj 2000 | 3 | 5:00 | Evansville, Indiana, United States | |
| Vinst | 15–1 | Eric Davila | Submission (keylock) | SuperBrawl 17 | 15 april 2000 | 2 | 3:24 | Honolulu, Hawaii, United States | |
| Vinst | 14–1 | Jorge Pereira | TKO (cut) | WEF 8: Goin' Platinum | 15 januari 2000 | 1 | 6:00 | Rome, Georgia, United States | |
| Vinst | 13–1 | Daniel Vianna | KO (slam) | JKD Challenge 3 | 20 november 1999 | 1 | 2:16 | Chicago, Illinois, United States | |
| Vinst | 12–1 | Laverne Clark | Submission (rear naked choke) | Extreme Challenge 29 | 13 november 1999 | 2 | 1:35 | Hayward, Wisconsin, United States | |
| Vinst | 11–1 | Tom Schmitz | Submission (skada) | Extreme Challenge 29 | 13 november 1999 | 1 | 0:48 | Hayward, Wisconsin, United States | Ögonskada. |
| Vinst | 10–1 | Joe Doerksen | Submission (slag) | Extreme Challenge 29 | 13 november 1999 | 2 | 0:25 | Hayward, Wisconsin, United States | |
| Vinst | 9–1 | Valeri Ignatov | Decision (unanimous) | UFC 22 | 24 september 1999 | 3 | 5:00 | Lake Charles, Louisiana, United States | |
| Vinst | 8–1 | Akihiro Gono | Decision (unanimous) | Shooto: 10th Anniversary Event | 29 maj 1999 | 3 | 5:00 | Yokohama, Japan | |
| Vinst | 7–1 | Erick Snyder | TKO (slam) | Jeet Kune Do Challenge 4 | 24 april 1999 | 1 | N/A | Chicago, Illinois, United States | |
| Vinst | 6–1 | Joe Stern | Submission (slag) | Extreme Challenge 23 | 2 april 1999 | 1 | 2:30 | Indianapolis, Indiana, United States | |
| Vinst | 5–1 | Ryan Stout | TKO (Hörnan stoppar matchen) | Extreme Shootfighting | 11 december 1998 | 2 | 5:00 | Waukesha, Wisconsin, United States | |
| Förlust | 4–1 | Dennis Hallman | Technical submission (guillotine choke) | Extreme Challenge 21 | 17 oktober 1998 | 1 | 0:17 | Hayward, Wisconsin, United States | |
| Vinst | 4–0 | Dave Menne | Decision (unanimous) | Extreme Challenge 21 | 17 oktober 1998 | 1 | 15:00 | Hayward, Wisconsin, United States | |
| Vinst | 3–0 | Victor Hunsaker | TKO (slag) | Extreme Challenge 21 | 17 oktober 1998 | 1 | 1:39 | Hayward, Wisconsin, United States | |
| Vinst | 2–0 | Craig Quick | Submission (slag) | Jeet Kune Do Challenge 1 | 25 april 1998 | 1 | N/A | Chicago, Illinois, United States | |
| Vinst | 1–0 | Erick Snyder | Submission (slam) | JKD: Challenge 2 | 1 januari 1998 | 1 | 0:15 | Chicago, Illinois, United States | |
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