Joe Mazzulla wears cut-off sweatshirt sleeves as a tribute to Bill Belichick and works in a on to Cincinnati reference via NBCSCeltics

Joe Mazzulla was upset that he missed Pat Riley say he wanted to beat the hell out of the Celtics Thats awesome

Joe Mazzulla stares at reporter who asked if Jayson Tatum participated in practice yesterday

Joe Mazzulla on Jayson Tatums return

Joe Mazzulla says his high school principal hit him up after his comments on Tuesday

Joe Mazzulla assaults Derrick White

Celtics Head Coach Joe Mazzulla implies Derrick White doesn't believe that the moon landing happened