NFL Empires: 1948

This is a continuation of my "empire" maps (where victors take the territory of the losers) of the NFL. Different than most such imperialism sports maps, instead of gaining all the loser's land from a victory home or away, the victor only gets territory for an away victory, and just two-thirds of it (or one-third for an away tie).

1948 was the first year that a team had a design painted on their helmets, when a halfback of the Los Angeles Rams painted horns on his team's helmets. Other than that, nothing much changed from 1947.

My data was from Pro Football Reference and most of the logos from SportsLogos.net and Sports Ecyclopedia.

Here then is the map of the NFL empires after the 1948 season:

The Chicago Cardinals (magenta) still control the most land, but they didn't win the championship game. They lost to Philadelphia (dark green), who had won the East. (The game was played in Philadelphia, so no land changed hands.) Philadelphia made advances, but the largest land winner was the Chicago Bears (light blue). The two Chicago teams traded home losses, so the Cardinals didn't quite get everything back they had lost to the Bears previously.

Here is the map before the season started:

There once was a team from Detroit...