Boston Celtics head coach Joe Mazzulla is so laser-focused on getting his team more wins that he can at at times find other areas of his life in need of a little more attention, like his car's roof. To wit,

Joe Mazzulla said that Mike Vrabel brings a "championship perspective" as he welcomed the Patriots coach to Celtics practice.

The Celtics had two head coaches present at Saturday morning’s practice. One, of course, was Joe Mazzulla. The other: Mazzulla’s new Patriots counterpart, Mike Vrabel.