Warren MoonQuarterback - Scouts wanted him to switch to tight end but he refused and went undrafted in 1978. Moon then went to the CFL and showed the NFL what they missed.
Kurt WarnerQuarterback - He never started a game in college untill his senior year so he went undrafted. The Green Bay Packers invited him to training camp only to cut him. Stocking shelves he then went to the arena football league then in 1998 he got another ...
John RandleDefensive tackle, Defensive end - He was undersized so nobody thought he would make it. John Randle is now in the H.O.F