The top prospects from around the country are on their way to Indianapolis this week for the ultimate job interview known as the Scouting Combine.
For draft hopefuls, the Combine is about displaying athleticism and physical measurables, in addition to impressing NFL personnel in interviews.
So much goes on behind the scenes, but nothing draws more attention to the on-field drills. Fans can catch over 300 prospects in action on NFL Network from Friday through Monday.
Below you will find a quick refresher course before taking in all the action in order to fully understand why each drill is important: