A fan waves a Seattle Seahawks 12th Man flag in the second half of an NFL football game against the Detroit Lions, Monday, Oct. 5, 2015, in Seattle.
A fan waves a Seattle Seahawks 12th Man flag in the second half of an NFL football game against the Detroit Lions, Monday, Oct. 5, 2015, in Seattle. Scott Eklund AP
A fan waves a Seattle Seahawks 12th Man flag in the second half of an NFL football game against the Detroit Lions, Monday, Oct. 5, 2015, in Seattle. Scott Eklund AP