Butler scores 20, Heat hang on to beat Pistons 117-108

Jimmy Butler scored 11 of his 20 points in the fourth quarter, added 13 assists and the Miami Heat wasted most of what was a 29-point lead before hanging on to beat the short-handed Detroit Pistons 117-108 on Tuesday night.

Walker gets hot late, scores 29 as Celtics beat Mavs 116-106

Kemba Walker made a trio of key 3-pointers in the fourth quarter and finished with 29 points, Jaylen Brown added 25 points and 11 rebounds, and Boston beat the Dallas Mavericks 116-106 Monday night in the Celtics' first game since Gordon Hayward had surgery on his broken left hand.