4 is the amount of preseason games played by a NFL team in a season.
patriots
Stellers
Patriots
colts
Philadelphia Eagles
New England
patriots
Raiders
Indianapolis colts
There was no NFC until the NFL merged with the AFL in 1970. The NFL team that won the most games in the 1960s was the Green Bay Packers with 96.
In 2011 the patriots were the only team to sell out all games -- home and away.