DENVER – The electronic billboard on 56th Ave just East of I-25 re-entered the Tim Tebow debate Friday morning, asking fans to vote for Peyton Manning or Tebow as the Broncos quarterback, with a flashing arrow on the Tebow side. (Steve Nehf, The Denver Post) Forget a quiet offseason, the drama about who should be Read more about Manning or Tebow? Denver billboard asks for fans to vote[…]