The Boston Celtics were originally scheduled to take on the Miami Heat starting at 7:30 p.m. ET on Tuesday night. The Celtics will enter Tuesday night's game with a record of 30-15 while the Heat sit at 31-14, pending the result of their Monday night game against the Orlando Magic. Pregame coverage of the contest will begin on NBC Sports Boston at 7 p.m. ET with Celtics Pregame Live.