Juan Manuel Marquez v Juan Diaz

Juan Diaz (R) throws a right at WBA/WBO lightweight champion Juan Manuel Marquez in the third round of their bout at the Mandalay Bay Events Center July 31, 2010 in Las Vegas, Nevada. Marqez retained his WBA and WBO lightweight championship belts with a unanimous-decision victory over Diaz.
(July 30, 2010 - Source: Ethan Miller/Getty Images North America)