Not long ago, it was one of Ryan Day's biggest worries. As the season approached, Ohio State's coach had full confidence that J.K. Dobbins would bounce back from a somewhat disappointing sophomore season and be the bell-cow running back the Buckeyes needed. But Day knows that one running back can't carry the entire load. Day needed someone to emerge as a reliable backup, and no one had. During news conferences throughout training camp, Day continually cited that as a major issue. It no longer is...