The Pittsburgh Steelers voted as a team to remain in the locker room for the national anthem ahead of last Sunday's 23-17 defeat to the Chicago Bears, and that decision may have created friction among the players.
ESPN.com's Jeremy Fowler spoke to multiple sources who said the "tension was palpable" inside the locker room Monday after the game.
This article will be updated to provide more information on this story as it becomes available.
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