Article Photos: Why the clock is ticking on the Thunder 21/45

Memphis' Tayshaun Prince dunks the ball over Oklahoma City's Reggie Jackson and SergenIbaka during Game 5 in the second round of the NBA playoffs between the Oklahoma City Thunder and the Memphis Grizzlies at Chesapeake Energy Arena In Oklahoma City, Wednesday, May 15, 2013. Photo by Bryan Terry, The Oklahoman