Otherwise, it’s on to Boston for a big showdown with the Celtics, who are defending champs but are six games behind Cleveland for first place. Boston is 2-1 against the Cavs this season, winning once at TD Garden and once in Cleveland, on Feb. 4, which was the last one the Cavs lost. “The level of basketball they’re playing right now, statistically, they’re an NBA Finals team,” Orlando center Wendell Carter Jr. said.