Las Vegas ? Former Kansas University forward Darrell Arthur scored four points in Memphis’ 66-65 loss to Minnesota on Friday in the NBA summer league. He played 18 minutes. Former KU forward Darnell Jackson of Milwaukee did not play (coach’s decision) in the Bucks’ 78-58 loss to Miami. Former Gonzaga guard Micah Downs, who started his career at KU, scored 21 for the Bucks.