Kansas City Chiefs quarterback Alex Smith (11) runs with the ball during the NFL football game between Detroit Lions and Kansas City Chiefs Wembley Stadium in London, Sunday, Nov. 1, 2015.
Kansas City Chiefs quarterback Alex Smith (11) runs with the ball during the NFL football game between Detroit Lions and Kansas City Chiefs Wembley Stadium in London, Sunday, Nov. 1, 2015. Matt Dunham AP
Kansas City Chiefs quarterback Alex Smith (11) runs with the ball during the NFL football game between Detroit Lions and Kansas City Chiefs Wembley Stadium in London, Sunday, Nov. 1, 2015. Matt Dunham AP