With QB in question, Northwestern host struggling Ohio

Northwestern quarterback Andrew Marty (7) evades Duke safety Lummie Young IV (23) on a run during the second half of an NCAA college football game in Durham, N.C., Saturday, Sept. 18, 2021. (AP Photo/Chris Seward)

Northwestern head coach Pat Fitzgerald congratulates the players after they recovered a fumble against Duke during the first half of an NCAA college football game in Durham, N.C., Saturday, Sept. 18, 2021. (AP Photo/Chris Seward)

Northwestern quarterback Hunter Johnson (15) passes the ball against Indiana State during the first half of an NCAA college football game in Evanston, Ill, Saturday, Sept. 11, 2021. (AP Photo/Matt Marton)