Article Photos: Thunder: Serge Ibaka absorbs a hard lesson from Celtics' Kevin Garnett 26/31

during the NBA basketball game Oklahoma City Thunder guard Reggie Jackson (15) is hit by Boston Celtics small forward Paul Pierce (34) 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