September 26, 2022 12:18 pm Joe Mazzulla reveals his message to the Celtics Interim head coach Joe Mazzulla reveals his message to his players as he steps into his new role as interim head coach. Celtics Videos 1:08 Jayson Tatum: Attention to detail on defense was better in Game 3 1:09 Jaylen Brown: C's ‘excited' to embrace every step of the journey 0:50 Kristaps Porzingis talks ‘tough' two days before bouncing back in Game 2 0:56 Eddie House: Celtics ‘played like they were down 0-2' in Game 3 vs. Heat 1:00 Eddie House reacts to Herro's technical foul against Hauser: ‘We're not backing down'