The stats say the Celtics have been one of the NBA's best teams since mid-December. Their record says otherwise. What's the problem? Joe Mazzulla had a simple and obvious explanation.

When Boston needed a stop, the calls the Celtics coach made proved disastrous, and afterward took responsibility for the loss: "I didn't help them close it at the end."

On Monday night, the Boston Celtics played the Houston Rockets (at home). They lost by a score of 114-112. Amen Thompson made the game-winning shot with less