Free agency is one of the most exciting times of the year for NFL fans.

Rapid player movement occurs, but teams too often pay elite money for average to above-average players.

However, some squads can still find value in free agency, even during the first week of the league year when everyone is spending. Today, we'll look at eight of the best signings thus far.

Without further ado, let's get into it.

Safety Adrian Amos, Green Bay Packers

The Chicago Bears selected Adrian Amos in the fifth round of the 2015 NFL draft, but he's since started 56 games for the team at free and strong safety.