The Celtics appeared ready to cruise to an impressive comeback victory early on Monday night against the Miami Heat, using a 37-12 first half run to take command of the game. Jayson Tatum sat on the bench for most of that run in the second quarter as a mix of Boston’s other starters and reserves played stifling defense and unselfish offense to erase a 11-point deficit despite playing without

But one thing remains true about the new-look Heat: offense is still a problem. Even with the Heat’s three newcom