Like any NFL team, the New England Patriots are not a static entity. Players come and players go. Franchises want to get young talent to help their teams. Players want long-term monetary security, playing time and a chance to win a ring.
Some seasons the net effect is negative. Other times—like in 2014—the Patriots end the offseason much better than they started it.
Here are seven ways the Patriots upgraded since ending the 2013 season.