Celtics Rewind February 17, 2021 8:20 pm Kemba Walker loves Jayson Tatum's step-back three Jayson Tatum’s three-pointer gives the Celtics the lead in the second quarter vs. the Hawks and Kemba Walker reacts from the bench. Celtics Videos 1:43 White on being in ‘the zone': “It's unreal”, “the basket get huge” 0:48 White credits Mazzulla, teammates for confidence in big moments 0:38 Al Horford not happy with Bam Adebayo after Tatum hit 1:03 Joe Mazzulla praises team for stepping up after losing Porzingis 2:11 Eddie House: Focus of Jayson Tatum this year is impressive