March 3, 2021 5:06 pm Robert Williams in seventh grade: “I gotta dunk” What did you do for the first time in seventh grade? I bet your answer is not dunk a basketball like Rob Williams. 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'