Roger Mayweather (born April 24, 1961) is a retired professional boxer. He won two major world titles in two different weight classes. Throughout his career, Mayweather fought against many other boxing champions of the 1980s and 1990s. He is a part of the Mayweather boxing family; his brothers are former welterweight contender Floyd Mayweather Sr. and former IBO super featherweight champion Jeff Mayweather, and his nephew is four-division world champion Floyd Mayweather Jr. Roger eventually became Mayweather Jr.'s trainer.


Super featherweight and lightweight

Mayweather who was 64-4 as an amateur made his pro boxing debut on July 29, 1981 against Andrew Ruiz. Mayweather won by TKO in round 1. In his thirteenth fight, Mayweather beat Ruben Muńoz Jr. for the USBA lightweight (135 lb) title.

After improving his record to 14-0, Mayweather earned a titleshot on January 19, 1983 against WBA super featherweight (130 lb) champion Samuel Serrano. Serrano entered the bout with a record of 49-3-1 and had lost only once since first winning the title in 1976. Nonetheless, Mayweather led on all three judges' scorecards before he beat Serrano by TKO in round 8 and effectively ended Serrano's career.

Mayweather made two successful title defenses (against Jorge Alvarado and Benedicto Villablanca), but then his first loss came when he was knocked out in round 1 by Rocky Lockridge on February 22, 1984.

Mayweather won the USBA super featherweight title when he gave Kenny Baysmore his first loss, by TKO in round 3. Thus, Mayweather earned the opportunity to fight against WBC super featherweight champion Julio César Chávez on July 7, 1985. Although Mayweather won the first round on the judges' scorecards, he was knocked down twice in round 2 and lost by TKO.

On November 28, 1986, Mayweather beat Sammy Fuentes for the WBC Continental Americas lightweight title. In his next bout, on March 28, 1987, Mayweather fought against Pernell Whitaker for the NABF lightweight title. Mayweather was knocked down in round 1, but he knocked down Whitaker in round 9. Whitaker won by unanimous decision.
Source : Wikipedia