Fan Essentials: NFL Sleeper Teams

Champions are made in the offseason. So it makes perfect sense that the NFL offseason is a time of change.
Players train and improve their game, removed from the rigors of the regular-season schedule. Coaches and management evaluate and retool their team, without the burden of game-planning for that next opponent. This is when an NFL hopeful lays the foundation for success.
Offenses and defenses are refined and realigned. New players are drafted. Veterans are re-signed or allowed to leave. The i