SAN ANTONIO — Ja Morant had 21 points and 12 assists to lead the Memphis Grizzlies to a 129-115 win over the San Antonio Spurs. Desmond Bane scored 21 points, Santi Aldama added 20 and Jaren Jackson Jr. 19 for Memphis, which had lost four of its last six games entering Wednesday. San Antonio rookie Stephon Castle had a season-high 26 points and Victor Wembanyama finished 13 points, 12 rebounds and eight blocks.