While they say "defense wins championships," conventional wisdom suggests you need some offense, special teams and a bit of luck too. But the 2015 Denver Broncos really challenged the concept of "some offense." Denver was the only team in 2015 to win

While they say "defense wins championships," conventional wisdom suggests you need some offense, special teams and a bit of luck too. But the 2015 Denver Broncos really challenged the concept of "some offense." Denver was the only team in 2015 to win