Lightweight boxer Guerrero of the U.S. flexes on the scale during an official weigh-in at the MGM Grand...
Lightweight boxer Robert Guerrero of the U.S. flexes on the scale during an official weigh-in at the MGM Grand Garden Arena in Las Vegas, Nevada April 8, 2011. Guerrero will fight Michael Katsidis of Australia for a vacant WBA and interim WBO lightweight title at the arena on April 9. REUTERS/Steve Marcus (UNITED STATES - Tags: SPORT BOXING)