Floyd Mayweather retired with unbeaten boxing record but win over Jose Luis Castillo was controversial - even the TV judge thought he lost

Boxing TV - Floyd Mayweather speaks out on Canelo Alvarez fight

Mayweather thanks father as he reflects on Hall of Fame career, Boxing

Most Controversial Fight Of Floyd Mayweather's Career

Wladimir Klitschko - Wikipedia

Floyd Mayweather A-Z: Everything You Need to Know About Money's Legendary Career, News, Scores, Highlights, Stats, and Rumors

Who Really Won? - Floyd Mayweather Vs. Jose Luis Castillo — Boxing News

Floyd Mayweather: Highlights of the fight Money 'lost' during his perfect boxing career

Mayweather vs Pacquiao: How to beat Floyd Mayweather, Boxing News

Floyd Mayweather Jr. - Wikipedia

Floyd Mayweather can trademark 50-0 but never knock out Rocky Marciano's record

Floyd Mayweather and the 10 greatest unbeaten fighters of all time - Bad Left Hook

Five reasons Floyd Mayweather will beat Manny Pacquiao