Article Photos: OKC Thunder Game 4 report card: Kendrick Perkins' offense gets an 'A' 45/45

Oklahoma City's Serge Ibaka (9) dunks the ball between San Antonio's Boris Diaw (33) and Tim Duncan (21) during Game 4 of the Western Conference Finals between the Oklahoma City Thunder and the San Antonio Spurs in the NBA playoffs at the Chesapeake Energy Arena in Oklahoma City, Saturday, June 2, 2012. Photo by Bryan Terry, The Oklahoman