McWilliams Arroyo
- Date of Birth: 5th December 1985 (39 years old)
- Career duration: 15 years 1 months
-
Nationality:
Puerto Rico -
Birthplace:
Ceiba, Puerto Rico
-
Residence:
Fajardo, Puerto Rico
- Division: Flyweight
- Reach: 64.2"
- Height: 5ft 4"
- Stance: Orthodox
- BoxRec: McWilliams Arroyo
- Debut: 27th February 2010
