Houston,Texas --- Four-time world champion Nonito "The Filipino Flash" Donaire, and  five-time world champion Jorce "Travieso" Arce, hold workouts for the press - as both boxers prepare for their battle on Saturday, December 15 at Toyota Center from Houston,Texas, televised live on HBO Championship Boxing®. This event is promoted by Top Rank in association with Zanfer Promotions and Tecate. --- Photos by Chris Farina/Top Rank.