As June quickly approaches, the 2010 NFL season is a little over three months away and there have already been a number of changes to the coaching staffs of most teams.
No team is capable of reaching their full potential without the right head coach to lead the way. And no head coach is capable of reaching his highest point of success without a strong coaching staff behind him.
Head coaches will receive most of the credit when their team comes through with the win, but there are a number of members on staff who tend to make life easier for them. One of the hardest tasks in the NFL is being in charge of the play-calling on offense.
Whether a team manages to move the ball down the field and put up points relies heavily on the coach standing on the sideline calling the shots.
Some coaches are considered geniuses for the decisions made in critical situations on offense.
Here are the 10 best play-calling offensive coordinators in the NFL.