Guy Mezger has 13 losses against 12 opponents on his MMA record. For a list of Mezger's best fights, refer to "Best fights of Guy Mezger".
On December 23, 2002 Guy Mezger faced off against Antônio Rogério Nogueira in a lightweight bout at age 34. He was coming in with a record of 29-13-2 (15), and Nogueira was 26 years old and with a record of 4-1 (2). Mezger lost the fight via 3-round split decision.
On September 24, 2001 Guy Mezger faced off against Ricardo Arona in a lightweight bout at age 33. He was coming in with a record of 28-12-2 (15), and Arona was 23 years old and with a record of 5-1 (2). Mezger lost the fight via 3-round split decision.
On May 27, 2001 Guy Mezger faced off against Chuck Liddell in a lightweight bout at age 33. He was coming in with a record of 28-11-2 (15), and Liddell was 31 years old and with a record of 7-1 (4). Mezger lost the fight via 2nd-round KO.
On August 27, 2000 Guy Mezger faced off against Wanderlei Silva in a lightweight bout at age 32. He was coming in with a record of 24-10-2 (11), and Silva was 24 years old and with a record of 12-3 (10). Mezger lost the fight via 1st-round KO.
On January 30, 2000 Guy Mezger faced off against Kazushi Sakuraba in a lightweight bout at age 32. He was coming in with a record of 22-9-2 (10), and Sakuraba was 30 years old and with a record of 7-1-1 (5). Mezger lost the fight via 1st-round TKO.
On July 4, 1999 Guy Mezger faced off against Akira Shoji in a lightweight bout at age 31. He was coming in with a record of 22-8-2 (10), and Shoji was 25 years old and with a record of 3-2-4 (3). Mezger lost the fight via 3-round split decision.
On March 5, 1999 Guy Mezger faced off against Tito Ortiz in a lightweight bout at age 31. He was coming in with a record of 22-7-2 (10), and Ortiz was 24 years old and with a record of 3-1 (3). Mezger lost the fight via 1st-round TKO.
On June 21, 1998 Guy Mezger faced off against Semmy Schilt in a lightweight bout at age 30. He was coming in with a record of 20-6-2 (10), and Schilt was 24 years old and with a record of 7-7 (6). Mezger lost the fight via 1st-round TKO.
On September 6, 1997 Guy Mezger faced off against Masakatsu Funaki in a lightweight bout at age 29. He was coming in with a record of 14-5-2 (7), and Funaki was 28 years old and with a record of 30-7 (28). Mezger lost the fight via 1st-round submission.
On February 22, 1997 Guy Mezger faced off against Yuki Kondo at age 29. He was coming in with a record of 11-4-2 (6), and Kondo was 21 years old and with a record of 8-3-1 (3). Mezger lost the fight via 1-round unanimous decision.
On October 8, 1996 Guy Mezger faced off against Kiuma Kunioku at age 28. He was coming in with a record of 9-3-2 (6), and Kunioku was 19 years old and with a record of 2-3-2 (1). Mezger lost the fight via 1-round split decision.
On March 2, 1996 Guy Mezger faced off against Bas Rutten at age 28. He was coming in with a record of 4-2-1 (3), and Rutten was 31 years old and with a record of 14-4 (12). Mezger lost the fight via 1st-round submission.
On September 1, 1995 Guy Mezger faced off against Masakatsu Funaki at age 27. He was coming in with a record of 3-1 (3), and Funaki was 26 years old and with a record of 17-4 (16). Mezger lost the fight via 1st-round submission.
