Cesar Miguel Barrionuevo
- Nickname: La Joya
- Date of Birth: 26th February 1989 (35 years old)
- Career duration: 15 years 9 months
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Nationality:
Argentina -
Birthplace:
Catamarca, Catamarca, Argentina
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Residence:
Salta, Argentina
- Division: Welterweight
- Height: 5ft 9"
- Stance: Southpaw
- BoxRec: Cesar Miguel Barrionuevo
- Debut: 6th March 2009