Guy Mezger (30-13-2, 16) was born in Houston, Texas, U.S. on January 1, 1968. At the age of 26 years on December 16, 1994, he made his professional MMA debut against Jason Fairn, winning the fight via 1st-round TKO.
On December 16, 1994, 26-year old Guy Mezger made his UFC debut on his 1st professional MMA fight at UFC 4 against Jason Fairn, winning the fight in the 1st round via TKO.
He became the UFC lightweight champion on May 30, 1997 at age 29 on his 20th professional MMA fight at UFC 13 after defeating a 22-year old Tito Ortiz via 1st-round submission.
Mezger's last fight was a 2nd-round TKO win against Daniel Bergman at age 35 on December 6, 2003. He retired with a 1-fight winning streak.
He has fought five times in the UFC, and has a record of 4 wins and 1 loss in the promotion.
Some of Guy Mezger's best fights have been against Tito Ortiz, Masakatsu Funaki, Ryushi Yanagisawa, Yuki Kondo, Christophe Leininger, Manabu Yamada and Minoru Suzuki.
Mezger has 13 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
46 | Dec 6, 2003 35 years, 11 months 30-13-2 (16) | Daniel Bergman | LT | 2 | TKO | WIN Punches | |
45  | Dec 23, 2002 34 years, 11 months 29-13-2 (15) | 26 years, 6 months 4-1 (2) | Pride | LT | 3 | SD | LOSS |
44  | Sep 29, 2002 34 years, 8 months 29-12-2 (15) | 32 years, 2 months 13-15-1 (12) | Pride | LT | 3 | UD | WIN |
43  | Sep 24, 2001 33 years, 8 months 28-12-2 (15) | 23 years, 2 months 5-1 (2) | Pride | LT | 3 | SD | LOSS |
42  | May 27, 2001 33 years, 4 months 28-11-2 (15) | 31 years, 5 months 7-1 (4) | Pride | LT | 2 | KO | LOSS Punch |
41  | Mar 25, 2001 33 years, 2 months 28-10-2 (15) | 35 years, 9 months 7-5 (6) | Pride | LT | 1 | KO | WIN Knee and punch |
40  | Feb 24, 2001 33 years, 1 months 27-10-2 (14) | 29 years, 7 months 2-6 (2) | KOTC | LT | 2 | TKO | WIN Doctor stoppage |
39 | Dec 23, 2000 32 years, 11 months 26-10-2 (13) | Alexander Otsuka | Pride | LT | 1 | TKO | WIN Punches |
38  | Nov 18, 2000 32 years, 10 months 25-10-2 (12) | 35 years, 6 months 5-10 (4) | LT | 1 | SUB | WIN | |
37  | Aug 27, 2000 32 years, 7 months 24-10-2 (11) | 24 years, 1 months 12-3 (10) | Pride | LT | 1 | KO | LOSS Punches |
36  | May 1, 2000 32 years, 4 months 24-9-2 (11) | 34 years, 8 months 0-1 (0) | Pride | LT | 1 | UD | WIN |
35 | Mar 3, 2000 32 years, 2 months 23-9-2 (11) | Brad Jones | LT | 2 | TKO | WIN Punches | |
34  | Jan 30, 2000 32 years 22-9-2 (10) | 30 years, 6 months 7-1-1 (5) | Pride | LT | 1 | TKO | LOSS Retirement |
33  | Jul 4, 1999 31 years, 6 months 22-8-2 (10) | 25 years, 5 months 3-2-4 (3) | Pride | LT | 3 | SD | LOSS |
32  | Mar 5, 1999 31 years, 2 months 22-7-2 (10) | 24 years, 1 months 3-1 (3) | UFC | LT | 1 | TKO | LOSS Punches |
31  | Dec 19, 1998 30 years, 11 months 22-6-2 (10) | 23 years, 5 months 20-5-3 (10) | Pancrase | LT | 1 | MD | WIN Defended Pancrase Openweight lightweight title |
30  | Sep 14, 1998 30 years, 8 months 21-6-2 (10) | 26 years, 2 months 21-12-5 (16) | Pancrase | LT | 1 | UD | WIN Defended Pancrase Openweight lightweight title |
29  | Jun 21, 1998 30 years, 5 months 20-6-2 (10) | 24 years, 7 months 7-7 (6) | Pancrase | LT | 1 | TKO | LOSS Palm strikes |
28  | Apr 26, 1998 30 years, 3 months 20-5-2 (10) | 29 years, 1 months 35-7 (32) | Pancrase | LT | 1 | UD | WIN Won Pancrase Openweight lightweight title |
27 | Mar 18, 1998 30 years, 2 months 19-5-2 (10) | 25 years, 8 months 19-11-3 (14) | Pancrase | LT | 1 | UD | WIN |
26 | Jan 16, 1998 30 years 18-5-2 (10) | Johnny Magilonico | LT | 1 | SUB | WIN Guillotine choke | |
25 | Dec 20, 1997 29 years, 11 months 17-5-2 (9) | Satoshi Hasegawa | Pancrase | LT | 1 | CKO | WIN Straight armbar |
24  | Oct 29, 1997 29 years, 9 months 16-5-2 (9) | 20 years, 11 months 9-6-3 (5) | Pancrase | LT | 1 | KO | WIN Head kick |
23 | Oct 26, 1997 29 years, 9 months 15-5-2 (8) | Paul Lazenby | LT | 1 | SUB | WIN Arm-triangle choke | |
22 | Sep 6, 1997 29 years, 8 months 14-5-2 (7) | 28 years, 5 months 30-7 (28) | Pancrase | LT | 1 | SUB | LOSS Triangle armbar |
21  | Jun 30, 1997 29 years, 5 months 14-4-2 (7) | 24 years, 11 months 5-6-1 (1) | Pancrase | LT | 1 | UD | WIN |
20 | May 30, 1997 29 years, 4 months 13-4-2 (7) | 22 years, 4 months 1-0 (1) | UFC | LT | 1 | SUB | WIN Guillotine choke Won UFC 13 Tournament |
19  | May 30, 1997 29 years, 4 months 12-4-2 (6) | 37 years, 7 months 3-1 (3) | UFC | LT | 1 | UD | WIN |
18 | Feb 22, 1997 29 years, 1 months 11-4-2 (6) | 21 years, 7 months 8-3-1 (3) | Pancrase | 1 | UD | LOSS | |
17 | Jan 17, 1997 29 years 11-3-2 (6) | 23 years, 2 months 2-2 (1) | Pancrase | 1 | UD | WIN | |
16 | Dec 15, 1996 28 years, 11 months 10-3-2 (6) | 21 years, 4 months 7-2-1 (3) | Pancrase | 1 | UD | WIN | |
15 | Oct 8, 1996 28 years, 9 months 9-3-2 (6) | 19 years, 10 months 2-3-2 (1) | Pancrase | 1 | SD | LOSS | |
14 | Sep 7, 1996 28 years, 8 months 9-2-2 (6) | 24 years, 2 months 10-10-1 (8) | Pancrase | 1 | UD | WIN | |
13 | Jun 25, 1996 28 years, 5 months 8-2-2 (6) | Osami Shibuya | Pancrase | 1 | UD | DRAW Majority | |
12  | May 16, 1996 28 years, 4 months 8-2-1 (6) | 27 years, 10 months 19-7 (18) | Pancrase | 1 | KO | WIN Slam | |
11 | Apr 8, 1996 28 years, 3 months 7-2-1 (5) | Ryushi Yanagisawa | Pancrase | 1 | KO | WIN Head kick | |
10  | Apr 7, 1996 28 years, 3 months 6-2-1 (4) | 26 years, 10 months 18-9-2 (18) | Pancrase | 1 | TKO | WIN Doctor stoppage | |
9 | Apr 7, 1996 28 years, 3 months 5-2-1 (3) | Takaku Fuke | Pancrase | 1 | UD | WIN | |
8  | Mar 2, 1996 28 years, 2 months 4-2-1 (3) | 31 years 14-4 (12) | Pancrase | 1 | SUB | LOSS Ankle lock | |
7 | Jan 28, 1996 28 years 4-1-1 (3) | Gregory Smit | Pancrase | 1 | UD | WIN | |
6 | Dec 14, 1995 27 years, 11 months 3-1-1 (3) | 27 years, 5 months 17-6 (16) | Pancrase | 1 | NC | NC Accidental groin kick | |
5 | Nov 4, 1995 27 years, 10 months 3-1-1 (3) | 23 years, 4 months 6-5 (6) | Pancrase | 1 | UD | DRAW Unanimous | |
4 | Sep 1, 1995 27 years, 8 months 3-1 (3) | 26 years, 5 months 17-4 (16) | Pancrase | 1 | SUB | LOSS Achilles lock | |
3 | Jul 23, 1995 27 years, 6 months 3-0 (3) | John Renfroe | Pancrase | 1 | SUB | WIN Straight armbar | |
2 | Apr 7, 1995 27 years, 3 months 2-0 (2) | John Dowdy | UFC | 1 | TKO | WIN Punches | |
1 | Dec 16, 1994 26 years, 11 months 1-0 (1) | Jason Fairn | UFC | 1 | TKO | WIN Corner stoppage |
