Washington Redskins quarterback Kirk Cousins (8) passes the ball during the first half of an NFL football game against the Oakland Raiders in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Washington Redskins running back Samaje Perine (32) carries the ball during the first half of an NFL football game against the Oakland Raiders in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Washington Redskins tight end Vernon Davis (85) celebrates his touchdown during the first half of an NFL football game against the Oakland Raiders in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins quarterback Kirk Cousins (8) is sacked by Oakland Raiders defensive end Khalil Mack (52) during the first half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Mark Tenally)

Oakland Raiders quarterback Derek Carr (4) looks for an opening to pass during the first half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Mark Tenally)

Washington Redskins tight end Vernon Davis (85) pulls in a touchdown pass under pressure form Oakland Raiders cornerback Sean Smith (21) during the first half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Pablo Martinez Monsivais)

Oakland Raiders running back Marshawn Lynch (24) is stopped by Washington Redskins outside linebacker Preston Smith (94) during the first half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Washington Redskins quarterback Kirk Cousins (8) celebrates his touchdown pass to tight end Vernon Davis (85) during the first half of an NFL football game against the Oakland Raiders in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Mark Tenally)

Washington Redskins cornerback Josh Norman, left, stops Oakland Raiders running back Marshawn Lynch (24) during the first half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Mark Tenally)

Oakland Raiders head coach Jack Del Rio yells instructions to the field during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Washington Redskins wide receiver Josh Doctson (18) pulls in a touchdown pass as Oakland Raiders cornerback David Amerson (29) looks back at him during the second half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins running back Chris Thompson (25) is stopped by Oakland Raiders strong safety Karl Joseph (42) and outside linebacker Cory James (57) during the second half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Oakland Raiders tight end Jared Cook (87) gets the ball into the end zone for a touchdown under pressure from Washington Redskins strong safety Deshazor Everett (22) during the second half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Pablo Martinez Monsivais)

Oakland Raiders tight end Jared Cook (87) is hit by Washington Redskins strong safety Deshazor Everett (22) on his way to a touchdown during the second half of an NFL football game in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Washington Redskins running back Chris Thompson (25) carries the ball during the second half of an NFL football game against the Oakland Raiders in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Mark Tenally)

Oakland Raiders quarterback Derek Carr (4) looks up at the scoreboard during the second half of an NFL football game against the Washington Redskins in Landover, Md., Sunday, Sept. 24, 2017. (AP Photo/Alex Brandon)

Washington Redskins quarterback Kirk Cousins (8) is greeted by fans as he leave the field after an NFL football game against the Oakland Raiders in Landover, Md., Sunday, Sept. 24, 2017. The Redskins defeated the Raiders 27-10. (AP Photo/Alex Brandon)