IN the biggest fight of his career, Jayson Vayson goes down as the underdog against reigning champion Oscar Collazo for the WBO and WBA mini-flyweight championship on Sunday (Manila time).
The 12-round match is set at the Fantasy Springs Casino, Indio, California.
Both the champion and challenger made weight during the official weigh-in Saturday. Collazo came in at 104.6lbs and Vayson at 104.4lbs.
READ: Jayson Vayson eyes world crown against Puerto Rican boxing champ
Vayson holds a 14-1-1 record with 8 KOs as he vies for his first ever world title.
But the 27-year-old Filipino from Agusan del Sur will be in his toughest challenge yet.
The Puerto Rican champion is unbeaten in 12 fights (9 KOs) and has defended his title five times, the last of which was a five round stoppage of Edwin Cano Hernandez.
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