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Kevin Liles-USA TODAY Sports

Chandler Worthy, WR, Troy

Undersized, Chandler Worthy is unlikely to draw serious attention as a draft prospect but certainly deserves some notice for his workouts. At 5'7 ⅞" it's good that he ran a blazing 4.38 40-yard dash, but it won't be enough to overcome his size as it relates to NFL play. Limited to returner options, Worthy's inconsistent hands may betray him there as well. Though the leading receiver for Troy, he still only caught 44 passes.

Darius Davis, WR, Henderson State

It was a disappointing pro day for Darius Davis as far as his 40-time is concerned, but he had an otherwise impressive showing for a player of his weight. He will likely need to schedule another private workout or prove he can put on the testing track what he seems to put on the field as a dangerous punt returner and deadly screen-game receiver. His jump scores at his weight alone make him worth investigating.

Dreamius Smith, HB, West Virginia

A straight-line runner without much demonstrated vision, Smith isn’t a prospect who will end up receiving many plaudits in a stacked running back class, but he does have potential if only because he has demonstrated the kind of quickness running backs need in testing. He just needs to learn to do it in pads.

Nathan Jeffery, HB, UTEP

Should the Vikings seek to invest in a short-yardage back specifically, they may want to wait until after the draft to do it, given how much easier they are to find. If Peterson is gone and they need to spell Jerick McKinnon on certain downs, a player like Jeffery would be a great fit.

Jeffery was one of the most consistent short-yardage backs in the country last year, and though he didn't unlock it while at UTEP (perhaps because of injury), his 4.48 40-yard dash implies he could be more if he learns to harness all of his speed. As it is, his explosion (as evidenced by a 40.5-inch vertical leap and 1.55-second 10-yard split) pushes piles, and his vision helps him navigate when that doesn't work.

Hayden Pierce, S, Army

With no production worth mentioning and the constraints of military service imposed on Pierce, it is unlikely that he’ll earn even a tryout invite. But it is admittedly intriguing to think of a player who, at 6’4”, demonstrates top-tier agility in testing and sports a 39-inch vertical.

Dan Sullivan, LB, Monmouth

Suspended for the entire 2013 season for an undisclosed violation of team rules, Sullivan would have been a four-year starter at Monmouth were it not for whatever indiscretion forced him out of the lineup. The nature of that violation will determine how the NFL approaches this FCS prospect, but at the very least his athletic scores are worth mention.