December 18, 2020 2:07 pm Marcus Smart on the impact of having an opponent like Kyrie Irving Marcus Smart reflects on how having a player as talented as Kyrie Irving in the division can change the state of the conference. Celtics Videos 2:38 Joe Mazzulla: Kristaps Porzingis will be re-evaluated next week 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