FILE - In this Sept. 8, 2018, file photo, Notre Dame running back Tony Jones Jr (6), runs in a touchdown against Ball State during the first half of an NCAA college football game in South Bend, Ind. There is no Dexter Williams in the backfield this season for No. 9 Notre Dame. Instead, the Fighting Irish will look to a stable of running backs to pick up the slack, including Tony Jones and converted wide receiver Jafar Armstrong. (AP Photo/Nam Y. Huh, File)

FILE - In this Sept. 8, 2018, file photo, Notre Dame wide receiver/running back Jafar Armstrong (8) runs with the ball against Ball State during the first half of an NCAA college football game in South Bend, Ind. There is no Dexter Williams in the backfield this season for No. 9 Notre Dame. Instead, the Fighting Irish will look to a stable of running backs to pick up the slack, including Tony Jones and converted wide receiver Jafar Armstrong. (AP Photo/Nam Y. Huh, File)