Why will Packers be wearing green in Brazil if Eagles aren't? Reasoning behind Green Bay using regular jerseys

The NFL goes international Friday when the Green Bay Packers play the Philadelphia Eagles at Corinthians Arena in São Paulo, Brazil, and it just so happens that both teams wear the color green. It's the same color unofficially banned by the Brazilian soccer team that plays in the stadium due to a longstanding local rivalry. Why two NFL teams who prominently feature green were specifically chosen by the NFL to headline the league's first-ever South American contest is another story …