Photos: Zou Shiming and Brian Viloria Working Hard

Hollywood,Calif.  ---   (L-R) Zou Shiming, two-time Olympic gold medalist and three-time World Amateur Champion and WBA/WBO flyweight champion Brian "Hawaiian Punch" Viloria work out Wednesday during media day at the Wildcard Boxing Club.  Shiming will make his professional Top Rank boxing debut and Viloria will defend his titles against Juan Francisco Estrada of Mexico on April 6, at The Venetian Macao Resort Hotel in Macau, China. --- Photos by Chris Farina/Top Rank.