Celtics' Joe Mazzulla wins NBA Coach of the Year after leading Boston to unexpected 56-win season Mazzulla shepherded the Celtics to the East's No. 2 seed despite playing most of the season without Jayson Tatum Original Source: https://www.cbssports.com/nba/news/celtics-joe-mazzulla-nba-coach-of-year-award/ Previous article: 2026 NBA playoff bracket, schedule: Thunder top Spurs in Game 5, one win from NBA Finals showdown vs. Knicks Prev Next article: NBA player prop picks, odds: Three best 2026 NBA Playoffs prop bets for Spurs vs. Thunder, Game 5 Next