Cooper Flagg posts double-double as Mavs stun Cavs

Rookie Cooper Flagg scored 27 points and dished out 10 assists, and Naji Marshall scored 25 points and as the visiting Dallas Mavericks beat the Cleveland Cavaliers 130-120 on Sunday afternoon, splitting their home-and-home set.

P.J. Washington Jr. collected 20 points and 11 rebounds for the Mavericks, who built a 111-90 lead in the fourth quarter and won for just the second time in their last 11 games. Rookie John Poulakidis scored his first 10 points in the NBA.

Donovan Mitchell had 26 points and 11 assists for the Cavaliers.