FBO: NFC West questions and answers

With the 2008 season in the books, Football Outsiders is going division by division, applying its unique brand of analysis to one key question for each team. Today: the NFC West.

Arizona: Will the Cardinals survive the loss of two coordinators?

The exact role and influence of offensive and defensive coordinators in the NFL is hard to define and even harder to measure. Their responsibilities and duties change from team to team and from season to season.