Celtics Rewind March 11, 2021 8:12 pm Marcus Smart returns and knocks down a three Marcus Smart picked up right where he left off after missing 18 games with a calf injury Celtics Videos 2:20 Can the Celtics win without Kristaps Porzingis? 1:43 White on being in ‘the zone': ‘It's unreal … the basket gets 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