| Pro Record: | 30-13-2 (Win-Loss-Draw) |
| Team: | Lion's Den |
| Age: | 45 |
| Sex: | Male |
| Height: | 6 Feet. 1 Inch(es). |
| Weight: | 200 lbs. |
| Out of: | Dallas, TX |
| Born: | Houston, TX |
Guy Mezger's Professional Record
| Date | Result | Opponent | Event | Method | Round | Time | ||
|---|---|---|---|---|---|---|---|---|
| NSF | 12/06/2003 | Win | Daniel Bergman | European Vale Tudo 1: Genesis | TKO/RSC | 2 | 1:46 | |
| NSF | 12/23/2002 | Loss | Antonio Nogueira | Pride 24: Cold Fury 3 | Decision Split Decision | 5 | ||
| NSF | 09/29/2002 | Win | Yoshihisa Yamamoto | Pride 22: Beasts from the East 2 | Decision Unanimous Decision | 3 | ||
| NSF | 09/24/2001 | Loss | Ricardo Arona | Pride 16: Beasts From The East | Decision Split Decision | 3 | ||
| NSF | 05/27/2001 | Loss | Chuck Liddell | Pride 14: Clash of the Titans | KO Punch | 2 | 2:21 | |
| NSF | 03/25/2001 | Win | Egan Inoue | Pride 13: Collision Course | KO Punch | 1 | 2:25 | |
| NSF | 02/24/2001 | Win | Alexander Otsuka | King of the Cage 7: Wet and Wild | TKO/RSC Doctor Stoppage from a Cut | 2 | ||
| NSF | 12/23/2000 | Win | Alexander Otsuka | Pride 12: Cold Fury | TKO/RSC Strikes | 1 | 1:52 | |
| NSF | 11/18/2000 | Win | Sam Adkins | Freestyle Fighting Championship | Submission | 1 | 2:11 | |
| NSF | 08/27/2000 | Loss | Wanderlei Silva | Pride 10: Return of the Warriors | KO Punches | 1 | 3:45 | |
| NSF | 05/01/2000 | Win | Masaaki Satake | Pride: Grand Prix 2000 Final Round | Decision Unanimous Decision | 2 | ||
| NSF | 03/03/2000 | Win | Brad Jones | Pure Action 2 | TKO/RSC Referee Stoppage from Strikes | 2 | 1:35 | |
| NSF | 01/30/2000 | TBD | Kazushi Sakuraba | Pride: Grand Prix 2000 Opening Round | 1 | 15:00 | ||
| NSF | 07/04/1999 | Loss | Akira Shoji | Pride 6 | Decision Split Decision | 2 | ||
| NSF | 03/05/1999 | Loss | Tito Ortiz | UFC 19: Young Guns | TKO/RSC Referee Stoppage from Strikes | 1 | 9:55 | |
| NSF | 12/19/1998 | Win | Yuki Kondo | Pancrase: Advance 12 | Decision Majority Decision [2-0] | 1 | ||
| NSF | 09/14/1998 | Win | Ryushi Yanagisawa | Pancrase: 1998 Anniversary Show | Decision Lost Points | 1 | ||
| NSF | 06/21/1998 | Loss | Semmy Schilt | Pancrase: Advance 8 | KO | 1 | 13:15 | |
| NSF | 04/26/1998 | Win | Masakatsu Funaki | Pancrase: Advance 5 | Decision Unanimous Decision | 1 | ||
| NSF | 03/18/1998 | Win | Ryushi Yanagisawa | Pancrase: Advance 4 | Decision Unanimous Decision | 1 | ||
| NSF | 01/16/1998 | Win | Johnny Magilonico | World Pankration Championships 2 | Submission Front Choke | 1 | 0:00 | |
| NSF | 12/20/1997 | Win | Satoshi Hasegawa | Pancrase: Alive 11 | TKO/RSC Referee Stoppage from an Arm Lock | 1 | 2:52 | |
| NSF | 10/29/1997 | Win | Kiuma Kunioku | Pancrase: Alive 9 | TKO/RSC Referee Stoppage | 1 | 11:12 | |
| NSF | 10/26/1997 | Win | Paul Lazenby | World Pankration Championships 1 | Submission Choke | 1 | 0:00 | |
| NSF | 09/06/1997 | Loss | Masakatsu Funaki | Pancrase: 1997 Anniversary Show | Submission | 1 | 3:58 | |
| NSF | 06/30/1997 | Win | Keiichiro Yamamiya | Pancrase: Alive 7 | Decision Lost Points | 1 | ||
| NSF | 05/30/1997 | Win | Christophe Leininger | UFC 13: The Ultimate Force | Decision Unanimous Decision | 1 | ||
| NSF | 05/30/1997 | Win | Tito Ortiz | UFC 13: The Ultimate Force | Submission Guillotine Choke | 1 | 3:00 | |
| NSF | 02/22/1997 | Loss | Yuki Kondo | Pancrase: Alive 2 | Decision Lost Points | 1 | ||
| NSF | 01/17/1997 | Win | Semmy Schilt | Pancrase: Alive 1 | Decision Lost Points | 1 | ||
| NSF | 12/15/1996 | Win | Yuki Kondo | Pancrase: Truth 10 | Decision Lost Points | 1 | ||
| NSF | 10/08/1996 | Loss | Kiuma Kunioku | Pancrase: Truth 7 | Decision | 1 | ||
| NSF | 09/07/1996 | Win | Ryushi Yanagisawa | Pancrase: 1996 Anniversary Show | Decision | 1 | ||
| NSF | 06/25/1996 | Draw | Osami Shibuya | Pancrase: Truth 6 | 1 | |||
| NSF | 05/16/1996 | Win | Minoru Suzuki | Pancrase: Truth 5 | TKO/RSC Strikes | 1 | 7:59 | |
| NSF | 04/08/1996 | Win | Ryushi Yanagisawa | Pancrase: Truth 4 | KO | 1 | 12:21 | |
| NSF | 04/07/1996 | Win | Takaku Fuke | Pancrase: Truth 3 | Decision Unanimous Decision | 1 | ||
| NSF | 04/07/1996 | Win | Manabu Yamada | Pancrase: Truth 3 | TKO/RSC Doctor Stoppage | 1 | 6:14 | |
| NSF | 03/02/1996 | Loss | Bas Rutten | Pancrase: Truth 2 | Submission | 1 | 19:36 | |
| NSF | 01/28/1996 | Win | Gregory Smit | Pancrase: Truth 1 | Decision Lost Points | 1 | ||
| NSF | 12/14/1995 | Loss | Minoru Suzuki | Pancrase: Eyes Of Beast 7 | TKO/RSC Doctor Stoppage | 1 | 7:15 | |
| NSF | 11/04/1995 | Draw | Ryushi Yanagisawa | Pancrase: Eyes Of Beast 6 | 1 | |||
| NSF | 09/01/1995 | Loss | Masakatsu Funaki | Pancrase: 1995 Anniversary Show | Submission | 1 | 6:46 | |
| NSF | 07/23/1995 | Win | John Renfroe | Pancrase: 1995 Neo-Blood Tournament, Round 2 | Submission Arm Lock | 1 | 7:25 | |
| NSF | 04/04/1995 | Win | John Dowdy | UFC 5: Return of the Beast | TKO/RSC Corner Threw in the Towel | 1 | 2:02 | |
| NSF | 12/16/1994 | Win | Jason Fairn | UFC 4: Revenge of the Warriors | Submission Punches | 1 | 2:13 |
 : |
Bout results verified by an official State, Tribal, Provincial, or Municipal Commission. |
| NSF: | Non Sanctioned Fight |
| * : | For a variety of reasons, including weight disparity and the demands of entertainment, Exhibition Bouts are held, in which the contest is unscripted and hard fought, but the results do not count on a fighter's Official Record. |
| NC: | Fight Declared No Contest |
