Article Photos: Thunder: Serge Ibaka absorbs a hard lesson from Celtics' Kevin Garnett 17/31

Oklahoma City Thunder guard James Harden (13) and Oklahoma City Thunder center Nazr Mohammed (8) tries to stop Boston Celtics small forward Paul Pierce (34) during the NBA basketball game between the Oklahoma City Thunder and the Boston Celtics at the Chesapeake Energy Arena on Wednesday, Feb. 22, 2012 in Oklahoma City, Okla.  Photo by Chris Landsberger, The Oklahoman