Article Photos: Oklahoma City Thunder: Grading Kendrick Perkins' 2013-14 season 20/26

Oklahoma City's Kendrick Perkins (5) and Nick Collison (4) defend against Los Angeles' Blake Griffin (32) during Game 3 of the Western Conference semifinals in the NBA playoffs between the Oklahoma City Thunder and the Los Angeles Clippers at the Staples Center in Los Angeles, Friday, May 9, 2014. PHOTO BY NATE BILLINGS, The Oklahoman