William Foster III
- Nickname: The Silent Assassin
- Date of Birth: 25th September 1993 (31 years old)
- Career duration: 9 years 8 months
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Nationality:
USA -
Birthplace:
New Haven, Connecticut, USA
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Residence:
New Haven, Connecticut, USA
- Division: Super Featherweight
- Height: 5ft 10"
- Stance: Orthodox
- BoxRec: William Foster III
- Debut: 4th April 2015