In the NFL, fast often comes in small packages. Take it from Dri Archer.
"Speed is something you can’t really coach,” Archer, the 5'8", 173-pounder whose outstanding speed enabled him to light it up as a Kent State running back, said at the 2014 NFL Combine. "You can’t just go out and buy speed anywhere. Guys like me, smaller guys, are going to cause a lot of problems in the league.”

He gave some problems to 32 NFL draft teams who grappled with how to grade him after he turned in his 4.