Mavericks beat Cavs with late runs
Kyrie Irving, who left the game briefly in the third quarter with a finger injury, led Cleveland with 26 points, but the Cavaliers lost their fifth straight game.
Mayo hit a 3-pointer and a layup down the stretch to spark Dallas, which outscored the Cavaliers 28-22 in the final period. The Mavericks had six players score in double figures.
Dion Waiters and Daniel Gibson had 16 points apiece for Cleveland.