Art Briles: Jay Gruden should adapt to what RG3 does best

Art Briles knows how to get the best out of Robert Griffin III. When Briles was Griffin’s coach at Baylor, Griffin won the Heisman Trophy. So Briles has some advice for Griffin’s current coach, Jay Gruden: Adapt your offense to get the best out of Griffin. “You don’t always have him adapt to what you…