Knicks takeaways from Saturday’s 114-107 loss to Celtics, including the return of Kemba WalkerKemba had a season-high 29 points in his first game in nearly a month12/19/2021, 2:29 AMPhillip MartinezEditorial ProducerDec 18, 2021; Boston, Massachusetts, USA; New York Knicks guard Kemba Walker (8) controls the ball while Boston Celtics forward Jayson Tatum (0) defends during the first half at TD Garden. / Bob DeChiara-USA TODAY Sports