USC, Arizona eye Pac-12 South title runs ahead of showdown
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
Arizona quarterback Khalil Tate looks to pass against Washington during the first half of an NCAA college football game Saturday, Oct. 12, 2019, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Arizona quarterback Khalil Tate looks to pass against Washington during the first half of an NCAA college football game Saturday, Oct. 12, 2019, in Tucson, Ariz. (AP Photo/Rick Scuteri)

Oct. 13, 2019 12:28 AM EDT