This is a scene from the "Salute to Service" military appreciation ceremony, held last Sunday before the Tennessee-Kansas City NFL game. Expressing support for such a ceremony is not political, but expressing a negative opinion is. Only the latter fan will hear: "Stick to sports".
Barry Petchesky, former deputy editor of Deadspin, expands on the circumstances surrounding his firing, in an op-ed for The New York Times:
Two weeks ago, I was fired as acting editor in chief of Deadspin, where I'd worked since 2009. The entire staff resigned, following me out the door after we had refused a new company mandate to "stick to sports.