Marquez v Diaz Weigh-In
In This Photo: Joel Casamayor
Joel Casamayor poses on the scale during the official weigh-in for his junior welterweight fight against Robert Guerrero at the Mandalay Bay Events Center July 30, 2010 in Las Vegas, Nevada.
(July 29, 2010 - Source: Ethan Miller/Getty Images North America) more pics from this album »