One of the teams not mentioned as much in the Russell Westbrook trade pursuit is the San Antonio Spurs, who could offer a package of role players to the Lakers in a deal. As the Lakers have seen suitors come and go for Russell Westbrook, one team that’s been in the background for most of it has been the San Antonio Spurs. But at one point in the summer, the Spurs were seen as a potential third team in a trade for Kyrie Irving. Through it all, San Antonio has loomed, a team with ample cap room and contracts to…