FILe - At left, in a Jan. 2, 2017, file photo, Chicago Bulls forward Nikola Mirotic brings the ball up court against the Charlotte Hornets during the second half of an NBA basketball game in Chicago. At right, in an Oct. 4, 2017, file photo, Chicago Bulls' Bobby Portis (5) handles the ball during a preseason NBA basketball game against the Dallas Mavericks, in Dallas. The Chicago Bulls have suspended forward Bobby Portis for the first eight games for injuring teammate Nikola Mirotic during a fight at practice. Mirotic suffered multiple broken bones in his face as well as a concussion on Tuesday. He will likely need surgery and is out indefinitely. The team announced the suspension on Wednesday, Oct. 18, 2017. (AP Photo/Tony Gutierrez)

Philadlephia 76ers coach Doug Collins pumps his fist during a timeout in the second half of Game 4 in a first-round NBA basketball playoff series against the Philadelphia 76ers in Philadelphia, Sunday, May 6, 2012. The 76ers won 89-82. (AP Photo/Michael Perez)