Here’s ESPN Boston with a Celtics report:
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Boston Celtics rookie James Young was undergoing testing Thursday to determine the severity of a right shoulder subluxation sustained in an NBA Development League appearance Wednesday night with the Maine Red Claws.
Young injured the shoulder after absorbing contact from Drew Gordon while trying to corral a pass near midcourt late in the third quarter of a game against the Delaware 87ers. Young was attended to by a trainer on the court before walking off the floor while still clutching the right (non-shooting) shoulder.