The San Antonio Spurs suffered a double blow ahead of their regular-season matchup against the Memphis Grizzlies on Tuesday. Victor Wembanyama and Stephon Castle were ruled out of the game, while a total of six players were listed on the team's injury report.Wembanyama is dealing with a left calf strain and will remain sidelined for at least two weeks. Given how calf issues around the league have recently escalated into more serious injuries, the Spurs are expected to take an extremely cautious approach with their French phenom. According to reports, the 7-foot-4 center remains in high spirits after his latest injury setback.Victor Wembanyama helped the Spurs to a 9-4 start to the season and was making a strong case for the Defensive Player of the Year award and the regular-season MVP award. The shot-blocking maestro is averaging 26.2 points on 50.2% shooting, including 34.5% from deep, along with 12.9 rebounds, 4.0 assists, 1.1 steals and 3.6 blocks per game.Stephon Castle, who is on a four-year, $41,351,699 deal, will also miss Tuesday's game against the Grizzlies. The young guard is dealing with left hip flexor soreness and will miss his first game of the season.Rookie Dylan Harper remains sidelined with a left calf strain and will miss his eighth consecutive game. Jordan McLaughlin is ruled out with left hamstring tightness. David Jones Garcia (G League two-way) and Riley Minix (G League two-way) are both questionable.Where to watch San Antonio Spurs vs. Memphis Grizzlies?The San Antonio Spurs will host the Memphis Grizzlies at the Frost Bank Center in San Antonio, Texas, on Tuesday. The game will tip off at 8 p.m. EST (5 p.m. PT).The Spurs vs. Grizzlies game will air on NBC. Live streaming will be available on Peacock, NBA League Pass and Fubo TV app and website (regional restrictions may apply).