Marcus Smart injury update: Celtics guard out 1-2 weeks after suffering Grade 1 calf strain, per report | CBS Sports Headlines Marcus Smart injury update: Celtics guard out 1-2 weeks after suffering Grade 1 calf strain, per report The injury isn’t as bad as it first appeared during the game, … Continue reading Marcus Smart injury update: Celtics guard out 1-2 weeks after suffering Grade 1 calf strain, per report