Article Photos: Thunder role players need to show up in San Antonio 12/44

Oklahoma City's Serge Ibaka (9) dunks against San Antonio's Tim Duncan (21) 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