NFL: No jersey swaps after football men tackle each other for hours
Report: NFL will ban postgame jersey swaps, but allow players to tackle one another for hours - The Falcoholic
NFL players react strongly to league banning postgame jersey swaps
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NFL reveals protocols that ban autographs and jersey exchanges, but no changes in-game
Exchanging Jerseys: A Soccer Tradition Takes Off in the N.F.L. - The New York Times