USC at Notre Dame 10/23/2021

Notre Dame quarterback Jack Coan (17) throws against Southern California in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame running back Kyren Williams (23) reaches for yardage as Southern California safety Calen Bullock (27) makes the tackle in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame wide receiver Avery Davis (3) celebrates his four-yard touchdown reception with quarterback Jack Coan (17) against Southern California in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California safety Xavion Alford (29) breaks up a pass intended for Notre Dame tight end Michael Mayer (87) in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California quarterback Kedon Slovis (9) throws against Notre Dame in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California quarterback Kedon Slovis (9) fumbles the ball against Notre Dame in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. USC recovered the ball. (AP Photo/Paul Sancya)

Notre Dame running back Kyren Williams (23) scores on a five-yard touchdown run against Southern California in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

DUPLICATE***Southern California cornerback Chris Steele (8) breaks up a pass intended for DUPLICATE***Notre Dame wide receiver Lorenzo Styles Jr. (21) in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California wide receiver Drake London (15) breaks the tackle of Notre Dame safety Houston Griffith (3) in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame running back Kyren Williams (23) celebrates his five-yard touchdown run against Southern California in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame running back Kyren Williams runs against Southern California in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame running back Kyren Williams (23) celebrates after his one-yard touchdown run with offensive lineman Andrew Kristofic (73) in the second half of an NCAA college football game against Southern California in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California running back Keaontay Ingram (28) runs for a four-yard touchdown against Notre Dame in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California wide receiver Drake London (15) is gang tackled by Notre Dame after a catch in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California running back Darwin Barlow (22) celebrates his three-yard touchdown run with quarterback Kedon Slovis (9) in the second half of an NCAA college football game against Notre Dame in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame quarterback Tyler Buchner (12) runs for a three-yard touchdown against Southern California in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Notre Dame head coach Brian Kelly watches against Southern California in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

Southern California interim head coach Donte Williams watches against Notre Dame in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. (AP Photo/Paul Sancya)

FILE - Notre Dame offensive lineman Jarrett Patterson (55) plays against Southern California in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. No. 7 Notre Dame is preparing for Saturday's game at Virginia with an offensive line that has gotten better and better throughout the season. The only returning starter is senior center Jarrett Patterson. (AP Photo/Paul Sancya, File)

FILE - Southern California interim head coach Donte Williams watches against Notre Dame in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 23, 2021. Southern California coach Lincoln Riley confirmed his full coaching staff for his debut season with the Trojans on Monday, Jan. 10, 2022, that includes Donte Williams. He will be Riley's defensive backs coach and defensive passing game coordinator after going 3-7 while serving as USC's interim head coach following the firing of Clay Helton in September.(AP Photo/Paul Sancya, File)