Cavaliers beat Celtics 88-77, tie best-of-seven series at 2-2

Cleveland Cavaliers LeBron James (23) shoots with his back almost to the basket after getting tangled up with Boston Celtics Ray Allen during the first half of Game 4 of their NBA Eastern Conference semi-final basketball series in Cleveland, Ohio, May 12, 2008. The Cleveland Cavaliers beat the homesick Celtics 88-77 in Game 4 on Monday night to tie the best-of-seven series 2-2. (Xinhua/Reuters Photo)