Article Photos: Thunder: Daequan Cook proves to skeptics that he can play defense 4/24

Oklahoma City's Kendrick Perkins (5) shoots the ball in front of Memphis' Marc Gasol (33) during the NBA game between the Oklahoma City Thunder and the Memphis Grizzlies at Chesapeake Energy Arena in Oklahoma CIty, Friday, Feb. 3, 2012. Photo by Bryan Terry, The Oklahoman