The Spurs will be without star center Victor Wembanyama on Friday night for Game 3 of their first-round series against the Trail Blazers. ESPN’s Shams Charania reported Friday night that Wembanyama was ruled out due to a concussion suffered during San Antonio’s 106–103 loss to Portland on Tuesday. Wembanyama’s absence will be a huge factor for San Antonio, which is trying to win a playoff series with a young core that entered the postseason with just 270 combined minutes of playoff experience . Wembanyama’s concussion came in the second quarter of Game 2 The Spurs had quite a scare in the second quarter of Tuesday’s Game 2 against the Blazers when Wembanyama took a hard fall, slamming his head on the court. He left the game and was ruled out with a concussion, leaving the timing of his return up in the air. Victor Wembanyama (concussion protocol) is OUT for the remainder of the game after hitting his head on the court.…