Ahmed leads No. 17 Washington past No. 21 USC 28-14
Washington's Cameron Williams (16) celebrates his interception against Southern Cal with teammate Kamren Fabiculanan (31) in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Washington's Cameron Williams (16) celebrates his interception against Southern Cal with teammate Kamren Fabiculanan (31) in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:36 PM EDT
Washington quarterback Jacob Eason sets up to pass against Southern Cal in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Washington quarterback Jacob Eason sets up to pass against Southern Cal in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:33 PM EDT
Washington's Kyler Gordon, left, knocks away a pass intended for Southern Cal's Drake London in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Washington's Kyler Gordon, left, knocks away a pass intended for Southern Cal's Drake London in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:30 PM EDT
Southern Cal's Isaiah Pola-Mao reaches to tackle Washington's Aaron Fuller (2) in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Southern Cal's Isaiah Pola-Mao reaches to tackle Washington's Aaron Fuller (2) in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:55 PM EDT
Washington's Richard Newton (28) scores on a one-yard run against Southern Cal in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Washington's Richard Newton (28) scores on a one-yard run against Southern Cal in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:21 PM EDT
Southern Cal quarterback Matt Fink (19) scores on a three-yard carry against Washington in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Southern Cal quarterback Matt Fink (19) scores on a three-yard carry against Washington in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:23 PM EDT
Washington's Andre Baccellia (5) celebrates his recovery of a fumble in the end zone for a touchdown with Jaxson Kirkland (51) and Aaron Fuller (2) against Southern Cal in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Washington's Andre Baccellia (5) celebrates his recovery of a fumble in the end zone for a touchdown with Jaxson Kirkland (51) and Aaron Fuller (2) against Southern Cal in the first half of an NCAA college football game Saturday, Sept. 28, 2019, in Seattle. (AP Photo/Elaine Thompson)

Sep. 28, 2019 05:16 PM EDT