Oklahoma City Thunder: Serge Ibaka's maturation continues - Article Photos 23/30

Oklahoma City's Nick Collison (4) grabs a rebound from Portland's J.J. Hickson (21) during the NBA basketball game between the Oklahoma City Thunder and the Portland Trail Blazers at the Chesapeake Energy Arena in Oklahoma City, Sunday, March, 24, 2013. Photo by Sarah Phipps, The Oklahoman