Top 10 impact undrafted free agents

Former Kansas State offensive lineman B.J. Finney should be an ideal fit with the Steelers. Charles Baus/CSM/AP Images

The 2015 Mr. Irrelevant went to Louisville TE Gerald Christian, who was selected by the Arizona Cardinals with the 256th overall pick. For the casual fan, this appears to be the conclusion of the NFL draft. However, for NFL teams this begins the mad dash to recruit and sign free agents who on average have made up roughly 30 percent of rosters in recent years.