February 10, 2021 4:55 pm Is the glass half full or half empty for the Celtics? The Celtics have the second easiest schedule remaining in the first half, but Kemba Walker has been struggling. So is the glass more half full or half empty for the Celtics? 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