Spurs’ Duncan sidelined against Mavs

Tim Duncan sat out the San Antonio Spurs’ game against the Dallas Mavericks on Wednesday night because of a sprained right ankle. Duncan’s absence was expected because of the injury he sustained Sunday, while Manu Ginobili started after being a game-time decision. “He wants to play, he’s very adamant, when a player is that adamant, he’s probably ready to go,” Spurs coach Gregg Popovich said before…