Marcus Smart injury update: Celtics guard questionable for Game 1 of East finals vs. Heat with mid-foot sprain | CBS Sports Headlines Marcus Smart injury update: Celtics guard questionable for Game 1 of East finals vs. Heat with mid-foot sprain Smart is still sore and dealing with swelling after injuring … Continue reading Marcus Smart injury update: Celtics guard questionable for Game 1 of East finals vs. Heat with mid-foot sprain