NEW YORK -- World Boxing Organization (WBO) junior featherweight champion NONITO "Filipino Flash" DONAIRE and undefeated World Boxing Association (WBA) super bantamweight champion and former two-time Cuban Olympic gold medalist GUILLERMO "El Chacal" RIGONDEAUX went face to face on top of Radio City Music Hall! Donaire (31-1, 20 KOs) vs. Rigondeaux (11-0, 8 KOs) will take place Saturday, April 13 and will be televised live on HBO World Championship Boxing®, beginning at 11:00 p.m. ET/PT. Photos by Damien Acevedo/krikya360.com.