July 17, 2020 4:58 pm Tatum: When I step on the court, I think i'm the best player Jayson Tatum explains his mindset heading into the playoffs and how his confidence will help him get back to where he was before the league was put on pause 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