Of the position battles going on in fall camp at South Carolina, none may be as big as the one for starting quarterback. After two solid years with Spencer Rattler under center, the Gamecocks are now looking to find their next signal caller to succeed him. In the minds of most, they’ve already decided who they want to be, or should be, the starter this season. It’s always been LaNorris Sellers, the star in-state player with all the buzz … and then everyone else. But these competitions aren’t won on paper or hype. While Sellers is the only quarterback remaining from last year’s team, he still h…