He blazed a 4.25 - second 40 - yard dash at his pro day in March .
Ryne Nutt -- the Chiefs ' southeast scout -- said Hill is the most dynamic returner he 's seen in his seven years of scouting .
He blazed a 4.25 - second 40 - yard dash at his pro day in March , and Ryne Nutt -- the Chiefs ' southeast scout -- said Hill is the most dynamic returner he 's seen in his seven years of scouting .