Internet racists freak out after NFL's Marshall protests anthem: 'This country is full of traitors'
Brandon Marshall (Twitter)

Denver Broncos linebacker Brandon Marshall became the first NFL player to kneel during the National Anthem before a regular-season game, joining former teammate Colin Kaepernick's protest of systematic racism.

The camera lingered on Marshall's silent protest at the start of the NFL season opener, pitting his defending Super Bowl champion Denver Broncos against the runner-up Carolina Panthers.

And Twitter racists lost their damn minds.