April 20, 2002. Floyd Mayweather Jr. (27-0, 20 KO) vs. Jose Luis Castillo (45-4-1, 40 KO) for Castillo's WBC Lightweight Title. This was Mayweather's first fight at 135 after vacating his WBC Super Featherweight title.
Mayweather won by unanimous decision, with the judges scoring the fight 116-111, 115-111, 115-111.
Both fighters had a point deducted for fouls. Castillo in the 8th round and Mayweather in the 10th.

| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | total

Castillo | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 113
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Mayweather| 10 | 10 | 10| 10 | 9 | 9 | 9 | 9 | 10 | 8 | 9 | 10 | 113

I have it a draw. Castillo would have retained his title.