In the opening rounds, Diaz appeared to be winning the fight, pinning Marquez on the ropes and occasionally staggering him with big left hands. In the eighth round, Diaz was cut over his eye by a Marquez punch, much like he was in the loss to Nate Campbell. After starting strong in the ninth round, Marquez's precision punching proved to be too much and Diaz was knocked down twice, bringing an end to the fight.
Diaz dominated the early rounds of the fight, pinning Marquez and landing powerful punches that staggered him. However, in the eighth round, a punch from Marquez cut Diaz over his eye, reminiscent of his previous loss to Nate Campbell. Despite starting strong in the ninth round, Marquez's precise strikes proved too much for Diaz, resulting in his defeat.