Article Photos: OKC Thunder Game 4 report card: Kendrick Perkins' offense gets an 'A' 11/45

San Antonio's Tim Duncan (21) looks to the Spurs' bench for an answer behind Oklahoma City's Russell Westbrook (0) in the second half 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. Oklahoma City won, 109-103. Photo by Nate Billings, The Oklahoman