USC's Helton under microscope heading to No. 9 Notre Dame

Notre Dame running back Avery Davis (4) makes a catch during the second half of an NCAA college football game against Bowling Green, Saturday, Oct. 5, 2019, in South Bend, Ind. Notre Dame won 52-0. (AP Photo/Darron Cummings)

FILE - In this Sept. 14, 2019, file photo, quarterback Kedon Slovis looks to pass the ball during the second half against BYU in an NCAA college football game in Provo, Utah. Slovis will return from injury to start for Southern California at No. 9 Notre Dame on Saturday night. USC coach Clay Helton made the announcement Tuesday night, Oct. 8, after practice. (AP Photo/George Frey, File)

Washington head coach Chris Petersen, left, shakes hands with Southern Cal head coach Clay Helton after an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. Washington won 28-14. (AP Photo/Elaine Thompson)

Notre Dame wide receiver Chase Claypool (83) goes in for a touchdown during the first half of an NCAA college football game against Bowling Green, Saturday, Oct. 5, 2019, in South Bend, Ind. (AP Photo/Darron Cummings)

Notre Dame head coach Brian Kelly watchs from he sideline as his team played Virginia in the second half of an NCAA college football game in South Bend, Ind., Saturday, Sept. 28, 2019. Notre Dame won 35-20. (AP Photo/AJ Mast)

Notre Dame defensive lineman Adetokunbo Ogundeji (91) runs a fumble he recovered in for a touch down while playing Virginia in the second half of an NCAA college football game in South Bend, Ind., Saturday, Sept. 28, 2019. Notre Dame won 35-20. (AP Photo/AJ Mast)

Notre Dame tight end Tommy Tremble (24) celebrates after scoring a touchdown during the first half of an NCAA college football game against Bowling Green, Saturday, Oct. 5, 2019, in South Bend, Ind. (AP Photo/Darron Cummings)

Notre Dame players greet fans as they enter the stadium before an NCAA college football game against Bowling Green, Saturday, Oct. 5, 2019, in South Bend, Ind. (AP Photo/Darron Cummings)