NFL Empires: 1930

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).

This is the eleventh season of the NFL, starting where the previous season ended and removing Boston and Buffalo (distributing their land to neighbors based on distance to "capitals"), moving Dayton to Brooklyn (losing the most distant third of their land, but gaining new land like a new team), and adding Portsmouth (gaining a 100-mile radius, except only halfway to a "capital" city of the land the new team is taking).

When the league started in 1920, the median central point of teams was in western Ohio. In 1924, the center was in Chicago. By 1930, the center had shifted to Philadelphia. The New York metropolitan area has four teams this year!

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

Here then is the map of the NFL empires after the 1930 season:

Green Bay (green) won the season thanks to a missed extra point by Portsmouth (purple) in the final game. Otherwise, New York (dark blue) would have won the season, with much the same map. Minneapolis and Frankford fell off the map entirely, while the Chicago Bears (light blue) returned in a strong way.

Here is the map before the season started:

Continued Green Bay dominance, and the others are left fighting for scraps.