by Zack Cox on Sat, Nov 8, 2014 at 2:14AM BOSTON — It was a scene no player wants to witness. Marcus Smart, playing in just his fifth game for the Celtics, was hauled off the TD Garden court on a stretcher during the fourth quarter Friday after suffering what initially appeared to be a serious ankle injury. As the hometown crowd chanted his name, Smart extended a thumb — the universal gesture that, yes, he was going to be OK. That’s all fellow Celtics point guard Phil Pressey needed to see. “Once he put his thumbs up, that let us know he’s still good and in good spirits,” Pressey said