The Denver Broncos' summer break began with an ominous message from superstar Von Miller. The Super Bowl MVP suggested he'll sit out the 2016 season if general manager John Elway doesn't meet his contract demands in the next month. If the sides can't agree on a long-term extension by July 15, Miller would have to play this season on the franchise tag of $14.129 million - or he could choose to sit out the season altogether. More...