Myles Gaskin ran for 134 yards and a fourth-quarter touchdown, and visiting Washington shut down No. 17 USC’s high-powered offense in a 17-12 victory over the Trojans on Thursday night. Receiver Marvin Hall threw a 27-yard touchdown pass to Joshua Perkins on a trick play early in the second half for the Huskies (3-2, 1-1 Pac-12), who beat former head coach Steve Sarkisian.