Bulls forward Patrick Williams injured his knee in the Detroit game right before All-Star Weekend, but returned from the break feeling good. After two practices, however, the knee started acting up and now he will be sidelined for at least two weeks.

Billy Donovan said Wednesday that forward Patrick Williams was a full participant in both Tuesday and Wednesday's practices. One day later, he was sidelined for two weeks.

Chicago Bulls forward Patrick Williams received a platelet rich plasma injection to treat tendinosis in his right knee and will be re-evaluated in two weeks, the team announced Thursday. In his last game on Feb.