To be fair, you might’ve had the same initial reaction as Peyton Manning to the Broncos’ devastating injury news. Upon learning that quarterback Bo Nix suffered a season-ending ankle injury in Saturday’s 33-30 overtime win against the Bills in the divisional round, Hall of Famer Manning — who won a Super Bowl with Denver in February 2016 — thought the revelation was fake. “Peyton Manning texted a team official, ‘Is this a hoax?'” NFL Network’s Ian Rapoport reported Sunday . “He saw it online,