Article Photos: OKC Thunder: Kevin Durant, Serge Ibaka power Thunder past Spurs to tie series 20/45

Oklahoma City's Kendrick Perkins (5) goes past San Antonio's 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