Los Angeles Chargers quarterback Philip Rivers (17) drops back to pass against the Oakland Raiders during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Jeff Chiu)

Los Angeles Chargers cornerback Trevor Williams (24) runs after intercepting a pass against the Oakland Raiders during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers' Desmond King (20) returns the opening kickoff against the Oakland Raiders during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers quarterback Philip Rivers (17) rolls out to pass against the Oakland Raiders during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers wide receiver Keenan Allen (13) runs in front of Oakland Raiders linebacker Nicholas Morrow during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers quarterback Philip Rivers (17) gestures at the line of scrimmage during the first half of an NFL football game against the Oakland Raiders in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers running back Melvin Gordon, left, is congratulated by Spencer Pulley after scoring a touchdown against the Oakland Raiders during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers head coach Anthony Lynn watches from the sideline during the first half of an NFL football game against the Oakland Raiders in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers quarterback Philip Rivers (17) passes against the Oakland Raiders during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Oakland Raiders wide receiver Amari Cooper (89) is tackled by Los Angeles Chargers inside linebacker Korey Toomer (56) during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers quarterback Philip Rivers (17) passes against the Oakland Raiders during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers running back Melvin Gordon (28) runs against the Oakland Raiders during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers running back Melvin Gordon (28) runs against the Oakland Raiders during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers running back Melvin Gordon (28) takes a handoff from quarterback Philip Rivers (17) during the second half of an NFL football game against the Oakland Raiders in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers running back Melvin Gordon (28) hurdles over Oakland Raiders free safety Reggie Nelson (27) and cornerback T.J. Carrie (38) during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers running back Melvin Gordon (28) scores a touchdown against the Oakland Raiders during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Los Angeles Chargers running back Melvin Gordon (28) celebrates in front of Oakland Raiders fans after scoring a touchdown during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Oakland Raiders running back Jalen Richard (30) is tackled by Los Angeles Chargers linebacker Charmeachealle Moore (50) during the first half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/D. Ross Cameron)

Los Angeles Chargers kicker Nick Novak (9) celebrates with teammates after kicking the game winning field goal against the Oakland Raiders during the second half of an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. (AP Photo/Ben Margot)

Oakland Raiders quarterback Derek Carr (4) greets Los Angeles Chargers quarterback Philip Rivers (17) after an NFL football game in Oakland, Calif., Sunday, Oct. 15, 2017. The Chargers won 17-16. (AP Photo/D. Ross Cameron)