Washington in playoffs after tumultuous, whirlwind months
Origin of the Playoffs - Dawgs By Nature
The Nation's Game: The NFL from the Pro Football Hall of Fame
Quarterbacks in the NFL playoffs are getting younger. Here's why their age is important
National Football League - Wikipedia
Purdy, Lawrence, Jones have memorable NFL playoff debuts
Untying the standings: the history of the NFL playoff tiebreaker systems – Quirky Research
Playoffs! Complete History of Pro Football Playoffs {Part I - 1932-1999}: Fulton, Steve: 9798201030223: : Books
In Portsmouth, Ohio, birthplace of the Detroit Lions, a piece of football history endures - The Athletic
A Century of Chicago Bears Football - Chicago History Museum
Cortland Football Game Notes vs. Springfield - NCAA First Round (Nov. 20 at Cortland) - SUNY Cortland Athletics
Origin of NFL playoffs - Dawgs By Nature
NFL's final four are doing what the league doesn't want them to: resisting parity