The Celtics are back on top. 

Boston defeated the Dallas Mavericks 106-88 at TD Garden Arena on Monday to win the 2024 NBA title in five games. The result marked Boston’s 18th championship, breaking a tie with the Los Angeles Lakers for the most in league history. 

Jayson Tatum led the Celtics with 31 points, 11 assists and 8 rebounds. Jaylen Brown — named NBA Finals MVP — added 21 points and 8 rebounds. 

“Bill Russell would be so proud,” NBA commissioner Adam Silver said of Brown…