Charlotte Bobcats head coach Steve Clifford, left, and Kemba Walker, right, joke with referee Tony Brothers, center, during the first half of an NBA basketball game after the game in Charlotte, N.C., Monday, Dec. 9, 2013. (AP Photo/Chuck Burton)
Charlotte Bobcats head coach Steve Clifford, left, and Kemba Walker, right, joke with referee Tony Brothers, center, during the first half of an NBA basketball game after the game in Charlotte, N.C., Monday, Dec. 9, 2013. (AP Photo/Chuck Burton)
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