There are seven new coaches in the NFL this season, and six of those have backgrounds rooted in defense.
And the one offensive coach? His team faces the biggest offensive uncertainty of the bunch.
Gary Kubiak returns to Denver, where he once backed up Hall of Famer John Elway, and has installed his run-based scheme, one that on the surface seems like a bad fit for Broncos quarterback Peyton Manning.
It's a system in which the quarterback doesn't do much changing of plays at the line of scrimmage — Manning's specialty — and puts him under center, as opposed to back in the shotgun.
That puts the old-dogs-new-tricks theory to the test, as it's back to...