Philadelphia 76ers head coach Doug Collins yells instructions to his team during the first half of an NBA basketball game against the Dallas Mavericks, Tuesday, Dec. 18, 2012, in Dallas. (AP ... more 

Philadelphia 76ers head coach Doug Collins yells instructions to his team during the first half of an NBA basketball game against the Dallas Mavericks, Tuesday, Dec. 18, 2012, in Dallas. (AP Photo/John F. Rhodes) less