NBA: Celtics pound Mavericks in Jayson Tatum’s return

BOSTON — Jaylen Brown had 24 points, seven rebounds and seven assists and the Boston Celtics beat the Dallas Mavericks 120-100 on Friday night in Jayson Tatum’s first game in almost 10 months after rupturing his right Achilles tendon. Tatum had 15 points on 6-of-16 shooting, 12 rebounds and seven assists in a rust-filled 27