Tony Allen and Zach Randolph had 23 points apiece, and the Memphis Grizzlies sent San Antonio to its third straight loss with a 111-104 victory over the Spurs on Sunday night.
Randolph also grabbed 11 rebounds for Memphis, which currently holds the eighth and final playoff spot in the Western Conference. If the Grizzlies earn the No. 8 seed, they will likely face the NBA-leading Spurs in the opening round of the playoffs.
O.J. Mayo added 17 points for Memphis, Mike Conley had 12 and Marc Gasol 11.
George Hill matched his career high with 30 points on 9-of-12 shooting for the Spurs. Tony Parker had 20 points and six assists, and Richard Jefferson scored 13.
The Spurs, already missing Tim Duncan because of a sprained left ankle, played the bulk of the second half without leading scorer Manu Ginobili, who sustained a left quad contusion.
San Antonio has now lost all three games since Duncan went out with the injury.
Memphis' victory, coupled with Houston's 125-119 loss to the Miami Heat, extended the Grizzlies' hold on the playoff spot to 2½ games over the ninth-place Rockets.
Down the stretch, it was Allen, who finished the night missing only one of his 10 shots, and Randolph who led Memphis, erasing a five-point San Antonio lead with 6:14 left.
Hill did everything he could to keep the Spurs in the lead, but it wasn't enough as Memphis closed the game with a 22-10 run.
Memphis used balanced scoring to take a 55-50 lead at halftime.
Spurs coach Gregg Popovich had headed to the locker room with 2:10 left before the break after two quick technicals earned him an ejection. Popovich got his second T when he became upset that no foul was called as Ginobili collided with Gasol, who stole the ball leading to Leon Powe's bucket.
Hill had 17 points in the first half, shooting 6 of 8 from the field, while Jefferson had 10 at halftime. Memphis shot 54 percent in the half but was slowed a bit by nine turnovers.
Meanwhile, Jefferson loosened up the Memphis defense with a trio of early 3-pointers from the corner.
Parker kept San Antonio close with six early points after halftime, getting him to double figures, while Ginobili continued to struggle, limping from his collision with Gasol. Ginobili had put up only three shots by the midway point of the third quarter. Ginobili finally gave up the effort at that point and the Spurs trailing 68-61. He scored only 2 points.
Parker continued to get to the basket, scoring 13 points in the third to keep San Antonio close, but Memphis still held an 81-77 lead entering the fourth period.
The Spurs opened the fourth with seven straight points to erase the advantage. Mayo was the only one scoring for Memphis with eight points by the midpoint of the quarter.
Hill was offsetting Mayo's offense, helping San Antonio maintain its lead. That was when Memphis began feeding Randolph, who was scoring inside on several San Antonio players, helping kickstart Memphis' rally.
Notes: Popovich remains two games behind Red Auerbach for second place for most wins with a single franchise. Auerbach had 795 during his days as coach of the Boston Celtics. Popovich has 793. Former Utah coach Jerry Sloan is in first place with 1,127 during his tenure leading the Jazz. ... Memphis is 10-7 without second-leading scorer Rudy Gay, who had season-ending shoulder surgery last week. ... Tiago Splitter started his third game in place of Duncan. ... Sunday's game wrapped up a three-game stretch for the Grizzlies against division leaders. Memphis won at Boston (Atlantic) and lost at Chicago (Central) before defeating the Spurs (Southwest). ... Memphis starting F Sam Young sustained a sprained right ankle in the first half and didn't return. ... Assistant coach Mike Budenholzer took over when Popovich was ejected.