There have been several incredible coaches throughout NFL history, but some haven't fared so well in the playoffs.
Browse through the records and you'll discover some shocking information: George Allen, the former coach of the Los Angeles Rams and Washington Redskins, had a career winning percentage of .712, but was 2-7 in the playoffs. Former Raiders coach Bill Callahan had a better winning percentage than Bill Cowher in the postseason, and even with the Super Bowl he won, Tony Dungy had a 9-10 record in the playoffs.
If you based it just on winning percentage alone, you would be stunned to see which coaches ranked ahead of others. It begs the question: Who are the greatest playoff coaches in NFL history? Does Bill Belichick rank ahead of Vince Lombardi? Where does Bill Walsh rank?
Let's go after it and tackle this. Here are the 25 best playoff coaches in NFL history: