Make sure to keep your June open, and not just for the world champion Boston Celtics . The Boston Bruins  may be forcing the Green to share the spotlight come late spring. There’s a long, long way to go in the NHL  season but the way they handled the defending Stanley Cup  champs Saturday night at the Garden made believers of everyone, including the defending champs. The Bruins are right now legitimate Stanley Cup contenders. Our own Joe Haggerty has much more . Here was the reaction from the locker rooms on Saturday.