I don't really remember Elway supporting Trump per se, but even if he did Colorado went for Hillary.
My point (if I have one) is that I really don't care what football players think about our whole social structure. 
Their lives are spent using their physical superiority to achieve their goals.
I would like to take a survey of the protestors to find out if they know what they are protesting but more importantly if they know how their symbolic gesture might achieve their goals.