Win Boston, playing without scorer Isayi Tomas for the rest of the playoffs, hit a 13-game winning streak in Cleveland, dating back to last year's NBA championship last year.
Celtics rebounded 21 in the second half, to avoid holes 0-3 and 2-1 on a series screen.
Kyrie Irving scored 29 points and Kevin Love added 28 for the Cavaliers, who watched Lebron Dzheyms make one of his worst postseason performances with 11 points in 4 of 13 shots with six turnovers in the loss. However, James is only 62 points away from passing Michael Jordan as the top scorer in the NBA playoffs history.
The second-seeded Cleveland Cavaliers hope to recover from one of the biggest surprises in NBA playoffs history when they pitched the second time the Boston Celtics as the top favorites for Game 4 of the finals of the Eastern Conference on Tuesday.
Cavaliers squandered a 21-point lead in a surprising Celtics defeat by 111-108 in Game 3 Sunday, closing as a 16-way home favorite at Vegas disagreement.