USC RB Stepp needs ankle surgery, out up to 5 weeks
Southern California running back Markese Stepp flexes his bicep after scoring on a 2-yard touchdown run in the second half of an NCAA college football game against Notre Dame in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Southern California running back Markese Stepp flexes his bicep after scoring on a 2-yard touchdown run in the second half of an NCAA college football game against Notre Dame in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Oct. 12, 2019 11:33 PM EDT
Southern California running back Markese Stepp (30) scores a rushing touchdown against Arizona during the first half of an NCAA college football game Saturday, Oct. 19, 2019, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Southern California running back Markese Stepp (30) scores a rushing touchdown against Arizona during the first half of an NCAA college football game Saturday, Oct. 19, 2019, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Oct. 19, 2019 11:30 PM EDT
Southern California running back Markese Stepp (30) runs the ball against Notre Dame in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Southern California running back Markese Stepp (30) runs the ball against Notre Dame in the first half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Oct. 12, 2019 09:16 PM EDT
Southern California running back Markese Stepp (30) is lifted into the end zone by teammate Alijah Vera-Tucker (75) as Notre Dame safety Alohi Gilman defends in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Southern California running back Markese Stepp (30) is lifted into the end zone by teammate Alijah Vera-Tucker (75) as Notre Dame safety Alohi Gilman defends in the second half of an NCAA college football game in South Bend, Ind., Saturday, Oct. 12, 2019. (AP Photo/Paul Sancya)

Oct. 12, 2019 11:31 PM EDT