CHICAGO (AP) The Chicago Bulls suspended forward Bobby Portis for the first eight games of the season Wednesday for injuring teammate Nikola Mirotic during a fight at practice.

Mirotic suffered broken bones in his face as well as a concussion on Tuesday and will likely need surgery. Vice president of basketball operations John Paxson said Mirotic is expected to miss four to six weeks, and that he needs to clear the concussion protocol before the facial injuries can be resolved.

Paxson acknowledged fault on both sides while calling the incident "inexcusable." He also called Portis "a good kid" who "made a mistake."