Carlos Maussa has five losses against five opponents on his boxing record. For a list of Maussa's best fights, refer to "Best fights of Carlos Maussa".
On November 10, 2007 Carlos Maussa faced off against Victor Ortiz at age 36. He was coming in with a record of 20-5 (18), and Ortiz was 20 years old and with a record of 19-1-1 (14). Maussa lost the fight via 1st-round KO.
On August 25, 2006 Carlos Maussa faced off against Manuel Garnica in a super-lightweight bout at age 34. He was coming in with a record of 20-4 (18). Maussa lost the fight via 12-round unanimous decision.
On November 26, 2005 Carlos Maussa, the WBA champion, met Ricky Hatton, the IBF and The Ring champion, in a super-lightweight world-title unification fight. Maussa was 34 years old and with a record of 20-3 (18), and Hatton was 27 years old and with a record of 39-0 (29). Maussa lost the fight via 9th-round KO and lost his title.
On December 17, 2004 Carlos Maussa faced off against Arturo Morua in a super-lightweight bout at age 33. He was coming in with a record of 18-2 (16). Maussa lost the fight via 12-round unanimous decision.
On December 6, 2003 Carlos Maussa faced off against Miguel Cotto in a super-lightweight bout at age 32. He was coming in with a record of 17-1 (16), and Cotto was 23 years old and with a record of 17-0 (14). Maussa lost the fight via 8th-round TKO.