Mazzulla challenged his stars at halftime to play with more energy or give up their minutes to the bench. They responded.

Tatum was shocked. Horford was in disbelief. Mazzulla pretended he didn't care. The Celtics had strong reactions to the Luka ...

According to Jayson Tatum, Joe Mazzulla challenged the Celtics at halftime, reminding the starters that he could bench them.