Top 5 Coaches in Oakland Raiders’ History

Lately all the attention of the football world and the Raider nation has been on free agency and the upcoming NFL draft. The Raiders have been quiet the last few days, and there hasn't been a whole lot of news for the draft either.

On that note, how about a look back into the history of the Oakland Raiders as we try to kill time in the offseason?

This is a look at the five greatest coaches who have been a part of the team's history.