Article Photos: Oklahoma City Thunder notebook: NBA investigates confrontation between Kendrick Perkins, Zach Randolph 8/30

Oklahoma City's Kendrick Perkins (5) defends on Memphis' Marc Gasol (33) during the NBA basketball game between the Oklahoma City Thunder and the Memphis Grizzlies at Chesapeake Energy Arena on Wednesday, Nov. 14, 2012, in Oklahoma City, Okla.   Photo by Chris Landsberger, The Oklahoman