COLUMBIA, S.C. — Sindarius Thornwell understands No. 19 South Carolina’s opportunity, he’s just cautious about thinking too big, too early. Sure, the Gamecocks (17-4) at 7-1 in the Southeastern Conference are tied for top with No. 8 Kentucky. But Thornwell’s not ready to start counting down to a possible league championship. “Our focus hasn’t changed,”
