0 of 32

Patrick Smith/Getty Images

Now that Super Bowl 50 has put a golden bow on the 2015 NFL season, the focus of all 32 teams will now shift to months of off-field action in an attempt to accomplish what the Denver Broncos did on Sunday night: hoist the Lombardi Trophy.

It can hardly be called the "offseason" anymore, as predraft workouts and free agency will garner nearly as much attention over the coming months as the NFL's on-field action does.

From coaching staff changes to roster overhauls, many teams will look plenty different once training camp rolls around.

Whether it's a new addition or keeping top talent in house, here's the one move each NFL team needs to make if it wants to improve in 2016.