Celtics, Joe Mazzulla name 'most important' key to winning 19th NBA championship
By Jay Postrado••Sporting News
The Boston Celtics led by Coach Joe Mazzulla, Jayson Tatum, and Jaylen Brown know that there is a factor they should be maintaining to win it all at the NBA Playoffs.
Celtics, Joe Mazzulla name 'most important' key to winning 19th NBA championship originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here. The Boston Ce…