Southern California quarterback JT Daniels throws a pass during the first half of the team's NCAA college football game against Notre Dame Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame quarterback Ian Book throws a pass during the first half of the team's NCAA college football game against Southern California on Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame wide receiver Chris Finke, foreground, celebrates his touchdown with quarterback Ian Book (12) during the first half of an NCAA college football game against Southern California on Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame wide receiver Miles Boykin, right, can't reach a pass intended for him while under pressure from Southern California cornerback Iman Marshall during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California wide receiver Michael Pittman Jr., left, attempts to catch a pass while under pressure from Notre Dame cornerback Troy Pride Jr. during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. The play was initially ruled a catch but the call was overturned after review. (AP Photo/Mark J. Terrill)

Notre Dame quarterback Ian Book, left, avoids Southern California linebacker Jordan Iosefa during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California linebacker Palaie Gaoteote IV, second from top, celebrates after sacking Notre Dame quarterback Ian Book, below, with linebacker Cameron Smith, top, and defensive lineman Christian Rector, second from bottom, stands up during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame quarterback Ian Book is sacked by Southern California linebacker Palaie Gaoteote IV during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Southern California linebacker Palaie Gaoteote IV, center, celebrates a sack with defensive lineman Christian Rector, left, and linebacker Cameron Smith during the first half of an NCAA college football game against Notre Dame on Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame cornerback Troy Pride Jr., left, forces a fumble by Southern California wide receiver Michael Pittman Jr., right, as linebacker Asmar Bilal watches during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame recovered the ball. (AP Photo/Mark J. Terrill)

Notre Dame wide receiver Chris Finke gestures after scoring a touchdown during the first half of the team's NCAA college football game against Southern California on Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame wide receiver Chris Finke, right, makes a touchdown catch as Southern California cornerback Jonathan Lockett defends during the first half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. (AP Photo/Mark J. Terrill)

Notre Dame linebacker Bo Bauer fires up the crowd during the second half of the team's NCAA college football game against Southern California on Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Southern California safety Jordan McMillan, right, intercepts a pass intended for Notre Dame tight end Alize Mack during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Notre Dame coach Brian Kelly gestures to officials during the second half of the team's NCAA college football game against Southern California on Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Southern California wide receiver Tyler Vaughns, top, makes a touchdown catch as Notre Dame cornerback Troy Pride Jr. tackles him during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Southern California running back Markese Stepp, right, avoids a tackle by Notre Dame linebacker Drue Tranquill, center, as Tranquill grapples with center Toa Lobendahn during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Notre Dame quarterback Ian Book, left, avoids a tackle by Southern California cornerback Isaiah Langley during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Notre Dame running back Tony Jones Jr., right, celebrates as he runs in for a touchdown as Southern California defensive lineman Malik Dorton gives chase during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Southern California running back Markese Stepp, right, fends off Notre Dame cornerback Julian Love during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Southern California safety Jordan McMillan holds the ball up after intercepting a pass in the end zone that was intended for Notre Dame tight end Alize Mack, rear, during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Notre Dame running back Dexter Williams, left, carries the ball as Southern California cornerback Chase Williams defends during the second half of an NCAA college football game Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Notre Dame running back Dexter Williams, left, celebrates his touchdown with Micah Dew-Treadway, center, and quarterback Ian Book during the second half of an NCAA college football game against Southern California Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

Southern California coach Clay Helton, left, yells to his team as Southern California wide receiver Velus Jones Jr. walks off the field during the second half of an NCAA college football game against Notre Dame on Saturday, Nov. 24, 2018, in Los Angeles. Notre Dame won 24-17. (AP Photo/Mark J. Terrill)

FILE - In this Nov. 24, 2018, file photo, Notre Dame quarterback Ian Book throws a pass during the first half of the team's NCAA college football game against Southern California in Los Angeles. No. 2 Clemson plays No. 3 Notre Dame in the Cotton Bowl on Dec. 29, 2018. (AP Photo/Mark J. Terrill, File)

FILE - In this Nov. 24, 2018, file photo, Notre Dame running back Dexter Williams, left, carries the ball as Southern California cornerback Chase Williams defends during the second half of an NCAA college football game in Los Angeles. No. 2 Clemson plays No. 3 Notre Dame in the Cotton Bowl on Dec. 29, 2018. (AP Photo/Mark J. Terrill, File)

FILE - In this Nov. 24, 2018, file photo, Southern California head coach Clay Helton gestures during the first half of an NCAA college football game against Notre Dame in Los Angeles. Helton went 21-6 with a Rose Bowl victory and Pac-12 title in his first two full seasons as USC coach, but his job status is one of the stories of the 2019 season. (AP Photo/Mark J. Terrill, File)

FILE - In this Nov. 24, 2018, file photo, Southern California head coach Clay Helton gestures during the first half of an NCAA college football game against Notre Dame, in Los Angeles. Southern California’s bid to secure coach Clay Helton’s future begins with a revamped offense, a refurbished classic stadium and a daunting opponent. When USC returns from its first losing season since 2000 to face Mountain West champion Fresno State on Saturday night, the Trojans know they’ll need a quick turnaround to placate the hungry critics of Helton, who recruited these players and fostered a family culture at the West Coast’s glamour program. (AP Photo/Mark J. Terrill, File)