ESPN's Adam Schefter has obtained a copy of a letter NFL Commissioner Roger Goodell sent today to all 32 teams. With every week that goes by, the anthem protests are further alienating the league's core constituency and sinking it deeper into a political muck it may never be able to get out of. So he's pleading with the clubs to knock it off and stand for the anthem - all of them, every player - and he wants the owners to seriously consider mandating it if they don't.
Here's the letter in full:
