Article Photos: Oklahoma City Thunder report card: Thunder defense shines in first quarter 3/52

Oklahoma City's Serge Ibaka (9) blocks the shot of Houston's James Harden (13) during Game 1 in the first round of the NBA playoffs between the Oklahoma City Thunder and the Houston Rockets at Chesapeake Energy Arena in Oklahoma City, Sunday, April 21, 2013. Photo by Sarah Phipps, The Oklahoman