What is the oldest rivalry in the NFL?

What is the oldest rivalry in the NFL? The Packers-Lions matchup is the longest-running rivalry in the NFL, with the teams playing twice a year each season since 1933—that’s quite the way to build up some hatred towards each other.

The Packers-Lions matchup is the longest-running rivalry in the NFL, with the teams playing twice a year each season since 1933—that’s quite the way to build up some hatred towards each other.