With the bulk of major free-agent signings in our rearview mirror, we have a clearer sense of remaining team needs. Some of these needs were pre-existing, as they were holes going into free agency that teams have been unable to fill to this point (the Cleveland Browns still need to add a wide receiver, even pending the outcome of their visit with Dwayne Bowe).

Other needs have been created as a byproduct of free-agent activity, as teams were either unable to retain players at a particular spot (or unwilling to do so), and those have now become needs.

While most of the coveted free agents already have found a home for the 2015 season and beyond, teams can still find value on the open market. Veteran safety Mike Adams wasn't signed by the Indianapolis Colts until June of last offseason, yet went on to become one of the team's most dependable defensive players. Additionally, the countdown to the NFL draft continues, which provides each team another platform to round out their rosters for the 2015 season.

Here is a look at five major needs that remain, and possible solutions to fill each: