For the last 23 of those years, he was the team's defensive coordinator.

By the next season, he had become the team's defensive coordinator.

And then after a while you find a defensive coordinator who can stop that.

As a head coach, he is a great defensive coordinator.

Is it possible they could lose their defensive coordinator as well?

Sometimes you get a defensive coordinator who might favor a certain position.

He left the position the following season to become the defensive coordinator at Maryland.

He was then moved to assistant head coach and defensive coordinator from 1991 to 1999.

He was the defensive coordinator for Duke from 2004 to 2006.

Before the 2009 season Bush was promoted to defensive coordinator.