Charlotte Bobcats' Paul Silas, right, argues a call with referee Leon Wood in the first half of the Bobcats' 98-97 win over the Cleveland Cavaliers in an NBA basketball game in Charlotte, N.C., Wednesday, March 30, 2011. (AP Photo/Chuck Burton)
Paul Silas, right, smiles at Gerald Henderson shoots during an NBA basketball practice before he was introduced as the Charlotte Bobcats interim head coach, Thursday, Dec. 23, 2010, in Charlotte, N.C. (AP Photo/Bob Leverone)