With untested 2015 seventh-rounder Trevor Siemian under center, the Broncos knew they would need a run-based offense last season. There were two reasons their ground game (and playoff chances) dried up down the stretch. One: RB C.J. Anderson and underrated FB Andy Janovich suffered injuries. And two: The front five was inconsistent. Adept at times in zone blocking, at least inside, it ultimately couldn't move the line of scrimmage from snap to snap. Anderson and Janovich will both be healthy by '17, which means resources can go to the O-line. Every player except center Matt Paradis and maybe guard Max Garcia could stand to be replaced.
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