Jose Luis Castillo vs. Floyd Mayweather Jr. (1st meeting)
2002-04-20 : Floyd Mayweather Jr 134 lbs beat Jose Luis Castillo 134½ lbs by UD in round 12 of 12
- Location: MGM Grand, Las Vegas, Nevada, USA
- Referee: Vic Drakulich
- Judge: Anek Hongtongkam 116-111
- Judge: John Keane 115-111
- Judge: Jerry Roth 115-111
Castillo penalized in the 8th for hitting on the break. Mayweather penalized in the 10th for elbowing.