Philadelphia 76ers head coach Doug Collins during the second half of Game 5 of Eastern Conference semifinal playoff series in Boston on Monday, May 21, 2012. The Celtics won 101-85. (AP Photo/Charles Krupa)

Photo by: Charles Krupa

Philadelphia 76ers head coach Doug Collins during the second half of Game 5 of Eastern Conference semifinal playoff series in Boston on Monday, May 21, 2012. The Celtics won 101-85. (AP Photo/Charles Krupa)