Oklahoma City Thunder's Kendrick Perkins shoots over San Antonio Spurs' Tim Duncan, right, during the first half of Game 5 of the Western Conference finals NBA basketball playoff series, Thursday, May 29, 2014, in San Antonio. (AP Photo/Eric Gay)
Oklahoma City Thunder forward Kevin Durant, right, drives past San Antonio Spurs forward Tim Duncan in the first quarter of Game 4 of the Western Conference finals NBA basketball playoff series in Oklahoma City, Tuesday, May 27, 2014. (AP Photo/Sue Ogrocki)
San Antonio Spurs guard Danny Green (4) knocks the ball away from Oklahoma City Thunder guard Reggie Jackson (15) in front of Spurs forward Tim Duncan (21) in the first quarter of Game 4 of the Western Conference finals NBA basketball playoff series in Oklahoma City, Tuesday, May 27, 2014. (AP Photo/Sue Ogrocki)
Oklahoma City Thunder forward Serge Ibaka (9) blocks a shot by San Antonio Spurs forward Tim Duncan (21) in the first quarter of Game 4 of the Western Conference finals NBA basketball playoff series in Oklahoma City, Tuesday, May 27, 2014. (AP Photo/Sue Ogrocki)
Oklahoma City Thunder forward Kevin Durant (35) shoots in front of San Antonio Spurs forward Tim Duncan and center in the first quarter of Game 4 of the Western Conference finals NBA basketball playoff series in Oklahoma City, Tuesday, May 27, 2014. (AP Photo/Sue Ogrocki)
San Antonio Spurs guard Tony Parker (9) and forward Tim Duncan (21) wait to come back into the game in the second quarter of Game 4 of the Western Conference finals NBA basketball playoff series against the Oklahoma City Thunder in Oklahoma City, Tuesday, May 27, 2014. (AP Photo/Sue Ogrocki)