Cal's improved defense looks to end losing streak to USC

California quarterback Chase Garbers (7) throws a pass during the first half of an NCAA college football game against Washington State in Pullman, Wash., Saturday, Nov. 3, 2018. (AP Photo/Young Kwak)

Southern California's Amon-Ra St. Brown (8) pulls away from Oregon State's Jalen Moore, left, after making a reception in the first half of an NCAA college football game in Corvallis, Ore., Saturday, Nov. 3, 2018. (AP Photo/Timothy J. Gonzalez)