Notre Dame quarterback Ian Book (12) passes against Pittsburgh during the first half of an NCAA college football game, Saturday, Oct. 24, 2020, in Pittsburgh. (AP Photo/Keith Srakocic)

Notre Dame head coach Brian Kelly adjusts his headset as he walks to talk to Jonathan Doerer during the second half of an NCAA college football game against Pittsburgh, Saturday, Oct. 24, 2020, in Pittsburgh. (AP Photo/Keith Srakocic)

Notre Dame running back C'Bo Flemister (20) celebrates with quarterback Ian Book (12) after running for a touchdown against Pittsburgh during the second half of an NCAA college football game, Saturday, Oct. 24, 2020, in Pittsburgh. Notre Dame won 45-3. (AP Photo/Keith Srakocic)

FILE - In this Sept. 8, 2018, file photo, Notre Dame's Daelin Hayes (9) and cornerback Julian Love, right, tackle Ball State running back Caleb Huntley, center, during the first half of an NCAA college football game in South Bend, Ind. No. 4 Notre Dame heads into Saturday night's, Nov. 7, 2020, showdown against No. 1 Clemson allowing just 10.3 points per game. (AP Photo/Nam Y. Huh, File)