Sabonis sinks go-ahead shot in final seconds as Pacers defeat Celtics 108-107

INDIANAPOLIS — With Indiana down one in the final seconds Sunday, coach Nate Bjorkgren asked Domantas Sabontis to bail out the Pacers. The All-Star forward delivered. He put the ball on the floor, drove hard toward the basket, muscled in the go-ahead layup and drew a foul with 8.4 seconds to play. Sure, he missed the…