Ohio State's run game faces looming questions against Purdue on Saturday, a week after struggling to run the ball consistently against Maryland.
Buckeyes tailback TreVeyon Henderson is a game-time decision in West Lafayette, Indiana. Henderson's top backup, Miyan Williams, has been ruled out.
Henderson missed the game against Maryland last week with an undisclosed injury, and Ohio State averaged just 1.9 yards per rush.
Williams is a bruising backup who ran the ball well late in the game against the Terrapins. Williams scored 14 rushing touchdowns last year and is averaging 3.