Celtics win 18th NBA championship with 106-88 Game 5 victory over Dallas Mavericks

BOSTON (AP) — The Boston Celtics again stand alone among NBA champions.

Jayson Tatum had 31 points, 11 assists and eight rebounds as the Celtics topped the Dallas Mavericks 106-88 on Monday night to win the franchise’s 18th championship, breaking a tie with the Los Angeles Lakers for the most in league history.

Boston earned its latest title on the 16th anniversary of hoisting its last Larry O’Brien Trophy in 2008. It marks the 13th championship won this century by one of the city’s Big 4 professional sports franchises.