Los Angeles Chargers wide receiver Tyrell Williams (16) celebrates as he scores a touchdown during the first half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers defensive back Desmond King (20) runs with the ball during the first half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Cheerleaders line up before an NFL football game between Tennessee Titans and Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers quarterback Philip Rivers (17) joins other players in prayer after an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19. (AP Photo/Tim Ireland)

Los Angeles Chargers wide receiver Mike Williams (81) celebrates after scoring a touchdown during the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Tim Ireland)

Tennessee Titans wide receiver Corey Davis (84), right, is tackled by Los Angeles Chargers cornerback Casey Hayward (26) during the first half of an NFL football game at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers quarterback Philip Rivers (17), center, celebrates with teammates after a successful defensive play near the end of the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19. (AP Photo/Matt Dunham)

Los Angeles Chargers defensive back Adrian Phillips (31) and free safety Derwin James (33) celebrate after a successful defensive play near the end of the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19. (AP Photo/Matt Dunham)

Los Angeles Chargers running back Austin Ekeler (30), right, is tackled by Tennessee Titans strong safety Kendrick Lewis (28) during the second half of an NFL football game at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers quarterback Philip Rivers (17), left, celebrates with teammates after a successful defensive play near the end of the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19. (AP Photo/Matt Dunham)

Los Angeles Chargers linebacker Denzel Perryman (52) celebrates stealing the ball during the first half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers wide receiver Tyrell Williams (16), left, lies on the pitch after failing to catch the ball in the end zone during the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Tennessee Titans tight end Jonnu Smith (81) is tackled during the first half of an NFL football game against Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers wide receiver Mike Williams (81) celebrates after scoring a touchdown during the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers players celebrate after making a turnover during the first half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers defensive back Adrian Phillips (31) and free safety Derwin James (33) celebrate after a successful defensive play near the end of the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19. (AP Photo/Matt Dunham)

Los Angeles Chargers wide receiver Tyrell Williams (16) celebrates as he scores a touchdown during the first half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Tennessee Titans quarterback Marcus Mariota (8), left, runs with the ball during the first half of an NFL football game against Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Tim Ireland)

Los Angeles Chargers wide receiver Mike Williams (81) celebrates after scoring a touchdown during the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Tim Ireland)

Los Angeles Chargers wide receiver Keenan Allen (13), top left, is tackled during the first half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Tennessee Titans quarterback Marcus Mariota (8) escapes the challenge of Los Angeles Chargers defensive end Chris Landrum (46) during the first half of an NFL football game at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Tennessee Titans quarterback Marcus Mariota (8) passes the ball during the first half of an NFL football game against Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Tennessee Titans running back Derrick Henry (22) runs with the ball during the first half of an NFL football game against Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Tim Ireland)

Tennessee Titans running back Derrick Henry (22) runs through to score a touchdown during the first half of an NFL football game against Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Tennessee Titans running back Derrick Henry (22) runs with the ball during the first half of an NFL football game against Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018. (AP Photo/Matt Dunham)

Los Angeles Chargers defensive back Adrian Phillips (31) and free safety Derwin James (33) celebrate after a successful defensive play near the end of the second half of an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19. (AP Photo/Matt Dunham)

Tennessee Titans tight end Luke Stocker (88) celebrates after scoring a touchdown in the last seconds of a game against the Los Angeles Chargers.

Cheerleaders line up before an NFL football game between Tennessee Titans and Los Angeles Chargers at Wembley stadium in London, Sunday, Oct. 21, 2018.

Los Angeles Chargers wide receiver Tyrell Williams (16) celebrates as he scores a touchdown against the Tennessee Titans.

Los Angeles Chargers tight end Virgil Green (88) runs out of the tunnel prior to an NFL football game against the Tennessee Titans at Wembley stadium, London.

Los Angeles Chargers linebacker Denzel Perryman (52) celebrates an interception catch just before halftime against the Tennessee Titans at Wembley Stadium in London.

Tennessee Titans quarterback Marcus Mariota (8) avoids a tackle by Los Angeles Chargers free safety Derwin James (33).

Los Angeles Chargers quarterback Philip Rivers (17) joins other players in prayer after an NFL football game against Tennessee Titans at Wembley stadium in London, Sunday, Oct. 21, 2018. Los Angeles Chargers won the match 20-19.

Los Angeles Chargers cheerleaders line up before an NFL football game against the Tennessee Titans at Wembley Stadium in London, Sunday, Oct. 21, 2018.

Los Angeles Chargers quarterback Philip Rivers (17) joins other players in prayer after an NFL football game against the Tennessee Titans at Wembley Stadium in London, Sunday, Oct. 21, 2018. The Los Angeles Chargers won 20-19.