"I respect those guys a lot. I'm happy how they doing up here. I'm proud of them. I'm ready to go to war for them."

While Campbell and Glenn were position coaches in New Orleans, working with the tight ends and safeties respectively, Alexander was able to gain an appreciation for both coaches. In particular, he was able to grasp the methods that have since made Glenn one of the NFL's most highly coveted head coaching candidates for the future.

Discover five intriguing facts about Aaron Glenn, the Detroit Lions' defensive coordinator, from his NFL playing days to his innovative coaching strategies and leadership qualities.