The pro agility drill requires athletes to sprint 5-yards, plant, change direction, sprint 10-yards, plant and finish by sprinting 5-yards in a third direction.
It tests a player's ability to quickly change direction, flexibility and speed of movement.
Here's a look at a few of the top performers in their respective categories.
NOTE: Athletes tested as skill include receivers and defensive backs. Big skill athletes include running backs, linebackers and tight ends while line athletes include both the defensive and offensive line.