There is no other member of an NFL organization as influential to a team's success as the head coach.
Though the quarterback is unquestionably a team's most important player, even he doesn't have as much impact on the outcome of single games or whole seasons like a HC.
Being a successful NFL HC takes the right combination of knowledge of the game and an ability to motivate and relate to players. Some coaches possess the former, others the latter. But, few have the appropriate mixture of each.
All the coaches on this list have endured times of prosperity and hardship in their careers. Though the final draft of the 2010 season has yet to be written, some have distinguished themselves as standouts, while others' jobs are on the line.
Following is a power ranking of the AFC's head coaches going into Week 6 of the NFL season.