LaNorris Sellers knew the importance of setting the tone. If South Carolina could get off to a good start on Saturday, it would go a long way in trying to secure a win. “I mean, if you start fast here, once the crowd gets into it, from there on it’s pretty much like solid,” Sellers said. “… If you get rolling that first drive, get the ball moving and you get the momentum rolling, you’ll be all right.” On the opening drive, the Gamecocks were moving down the field against Texas A&M’s defense. Sellers completed his first pass of the night for a 20-yard gain. Then there were a few short yardage r…