No matter whether a signing works out, every NFL franchises uses free agency in hopes of improving the roster.
But it's not always easy to recognize a team's vision.
Everyone will misjudge a few rosters each season, yes. Our perceptions in mid-March can shift by late September and, more importantly,—as the Houston Texans so clearly reminded us last season—early January.
Still, the NFL world generally has an understanding of good teams, bad teams and those in between. Each free-agent addition (or lack thereof) is viewed through that respective lens. Is a good team doing enough or a bad team being dangerously aggressive?