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Successful teams in the NFL know that in order to maintain prominence over the course of time, it's critical not to get swept away in the free-agency frenzy. They understand the cheapest free agents available are the ones you find on draft day after watching countless hours of tape and learning everything you can about each available prospect.

With that said, highly skilled prospects seem to slip through the cracks as media and NFL personnel alike try to peg the best of the bunch.

Some prospects become household names before they even strap on an NFL helmet. Other guys manage highly successful collegiate careers, yet somehow seem to be lost in the shuffle.

It’s hard to say why certain guys get a first-class seat while others are left behind on the annual hype train headed straight for Radio City Music Hall.

Whatever the case may be, this list is a tribute to a few of those who were left scratching their head back at the train station while other names are quickly infused into our daily vernacular.

You may not be completely familiar with these prospects now, but before the sun sets on their careers years from now, you most likely will be.