Roger Mayweather has 13 losses against 12 opponents on his boxing record. For a list of Mayweather's best fights, refer to "Best fights of Roger Mayweather".
On September 21, 1996 Roger Mayweather faced off against Juan Soberanes at age 35. He was coming in with a record of 56-13 (34). Mayweather lost the fight via 10-round split decision.
On June 25, 1995 Roger Mayweather fought Kostya Tszyu in a super-lightweight world-title fight for Tszyu's IBF title. Mayweather was 34 years old and with a record of 54-12 (32), and Tszyu was 25 years old and with a record of 14-0 (11). Mayweather lost the fight via 12-round unanimous decision.
On September 16, 1994 Roger Mayweather faced off against Ray Lovato at age 33. He was coming in with a record of 51-11 (30). Mayweather lost the fight via 2nd-round KO.
On October 27, 1993 Roger Mayweather faced off against Darryl Tyson in a super-lightweight bout at age 32. He was coming in with a record of 44-10 (27), and Tyson was 33 years old and with a record of 40-6-1 (20). Mayweather lost the fight via 12-round split decision.
On April 24, 1993 Roger Mayweather faced off against Zack Padilla at age 32. He was coming in with a record of 43-9 (27). Mayweather lost the fight via 10-round split decision.
On September 28, 1992 Roger Mayweather faced off against Fidel Avendano at age 31. He was coming in with a record of 41-8 (26). Mayweather lost the fight via 10-round unanimous decision.
On December 7, 1991 Roger Mayweather fought Rafael Pineda in a super-lightweight world-title fight for the IBF title. Mayweather was 30 years old and with a record of 40-7 (25). Mayweather lost the fight via 9th-round KO.
On May 13, 1989 Roger Mayweather met Julio César Chávez in a super-lightweight (WBC) world-title defense fight. Mayweather was 28 years old and with a record of 34-6 (23), and Chávez was 26 years old and with a record of 62-0 (50). Mayweather lost the fight via 10th-round retirement and lost the title.
On March 28, 1987 Roger Mayweather faced off against Pernell Whitaker in a lightweight bout at age 25. He was coming in with a record of 26-5 (17), and Whitaker was 23 years old and with a record of 11-0 (6). Mayweather lost the fight via 12-round unanimous decision.
On March 12, 1986 Roger Mayweather faced off against Freddie Pendleton at age 24. He was coming in with a record of 23-4 (14). Mayweather lost the fight via 6th-round KO.
On July 7, 1985 Roger Mayweather fought Julio César Chávez in a super-featherweight world-title fight for Chávez' WBC title. Mayweather was 24 years old and with a record of 21-3 (14), and Chávez was 22 years old and with a record of 46-0 (40). Mayweather lost the fight via 2nd-round TKO.
On July 8, 1984 Roger Mayweather faced off against Tony Baltazar at age 23. He was coming in with a record of 17-2 (11). Mayweather lost the fight via 10-round unanimous decision.
On February 26, 1984 Roger Mayweather met Rocky Lockridge in a super-featherweight (WBA, The Ring) world-title defense fight. Mayweather was 22 years old and with a record of 17-1 (11), and Lockridge was 25 years old and with a record of 32-3 (26). Mayweather lost the fight via 1st-round KO and lost the titles.
