Kemba Walker scored 17 points and Johnny O’Bryant III had all 15 of his points in the fourth quarter for Charlotte.
O’Bryant was 5 for 5 from the field and 3 for 3 from the foul line in the fourth, helping the Hornets (2-3) pull away with a 29-15 spurt.
Harrison Barnes scored 24 for visiting Dallas (4-2).
MAVERICKS: Dennis Smith Jr. closed his preseason with 10 points and nine assists. … Dirk Nowitzki had 14 points and J.J. Barea added 13.
HORNETS: Dwight Howard grabbed 12 rebounds, helping Charlotte win that battle 50-37. … Malik Monk and Dwayne Bacon each scored 14.