Chain Of Command
Every football team has a chain of command. Just like an army, decisions go through a chain of key personnel before ultimately being executed by the players. That chain of command usually looks like this for professional football teams:
Since we've learned that there are three units of players in football:
Player Position Coaches
It can even become more specialized based on a player's position. Many pro teams will have a coach specifically for a player's position. Like the offensive line coach for all players on the offensive line.