ATLANTA -- Celtics shooting guard Avery Bradley suffered a strained right hamstring in the fourth quarter of his team's  102-101 loss to the Atlanta Hawks on Saturday night in Game 1 of their Eastern Conference first-round series. Although he expressed a desire to return as early as Tuesday's Game 2, Bradley said he'll undergo further testing Sunday to determine the full extent of the injury. Celtics coach Brad Stevens said Bradley heard a pop after landing awkwardly after defending a layup attempt by Hawks guard Jeff Teague with 7 minutes remaining in the fourth quarter. Bradley said he "felt weird" after landing and collapsed to the ground clutching his hamstring while trying to run back up the court. Bradley was tended to by Boston's medical staff while on the floor. Then he needed to be helped off the court. He finished with 18 points in 33 minutes. Inside the Celtics' locker room, Bradley had his entire hamstring wrapped. He needed...