From Boxrec Boxing Encyclopaedia
1998-01-09 : Floyd Mayweather Jr 132 lbs beat Hector Arroyo 133 lbs by TKO at 1:21 in round 5 of 10
- In rounds two through four, they traded blows at long range until Mayweather landed a left hook, right cross to the head at the bell for round four. Arroyo rolled over twice, but was able to get up. In round five Mayweather scored a second knockdown with another left, right. About ten more blows set up a five punch(LRLRL) combination to the head, which staggered Arroyo, and brought the appropriate stoppage. Round four was close, until the knockdown, while all other rounds were sligthly in Mayweather's favor.
- ESPN reported the blows as Mayweather 96/262 37%, Arroyo 65/188 35%.