I will start, please fill free to comment on this one (NFL divisions) or add your own topics
Based on location and not rivalries (I know nothing like this would happen):
Eastern Conference:
Northeast:
New England
NY Jets
NY Giants
Buffalo
Mid-Atlantic:
Philadelphia
Baltimore
Washington
Carolina
South Atlantic
Atlanta
Jacksonville
Tampa Bay
Miami
Steel Belt:
Pittsburgh
Cincinnati
Cleveland
Indianapolis
Western Conference
Great Lake:
Minnesota
Detroit
Green Bay
Chicago
Gulf:
Dallas
Houston
Tennessee
New Orleans
Mid America:
Denver
Kansas City
Arizona
Las Vegas
Pacific:
Seattle
LA Rams
LA Chargers
San Francisco
What do people think?
Based on location and not rivalries (I know nothing like this would happen):
Eastern Conference:
Northeast:
New England
NY Jets
NY Giants
Buffalo
Mid-Atlantic:
Philadelphia
Baltimore
Washington
Carolina
South Atlantic
Atlanta
Jacksonville
Tampa Bay
Miami
Steel Belt:
Pittsburgh
Cincinnati
Cleveland
Indianapolis
Western Conference
Great Lake:
Minnesota
Detroit
Green Bay
Chicago
Gulf:
Dallas
Houston
Tennessee
New Orleans
Mid America:
Denver
Kansas City
Arizona
Las Vegas
Pacific:
Seattle
LA Rams
LA Chargers
San Francisco
What do people think?