NEW YORK: Cam Spencer scored 13 of his 21 points in the fourth quarter and Santi Aldama blocked a potential game-winning shot by De’Aaron Fox with 5.2 seconds remaining to lift the Memphis Grizzlies to a 106-105 victory over the visiting San Antonio Spurs on Tuesday night. Spencer gave the Grizzlies the lead with 37.3 seconds to go on a baseline jumper. A minute earlier, he had connected on a 3-pointer to trim San Antonio’s lead to 105-104. Jaren Jackson Jr. matched Spencer with 21 points and had nine rebounds.