1978 MLB Imperialism Map

Territory Changes

Team Territory Control

This table shows all teams sorted by the number of territories they control.

Final standings: the New York Yankees finished on top with 14 of 26 territories (53.8%).

Team Territories Controlled
New York Yankees 14 (53.8%)
Cincinnati Reds 12 (46.2%)

Play with the MLB Map

Simulate your own territory battles: spin the wheel, input results, and see what happens.

Imperialism Map is proudly sponsored by another of my projects:

Territory Creator


Sales territory management software

Because not all territorial conquests happen on the field.

Territory Mapping Software

How MLB Territory Conquest Works

  • Every team starts with the land closest to its ballpark.
  • Win a game and you take all of the loser's territory.
  • Territory carries over all season, with no resets until next year.
  • Click any territory to trace every team that held it.

Full Rules and FAQ

Data sources: Game data from Sports Reference; venue data from VenueStats .

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Season Records

The standout territory feats of the season.

Biggest Land Grab
+14
in a single day (1978-08-15)
Longest Reign
9
straight days as leader
Most Conquered
170
territories taken all season
Biggest Collapse
−14
lost in one day (1978-08-16)

Team Directory

Each team's season at a glance — days spent leading the map, largest empire, territory conquered, and the rise-and-fall sparkline. Sorted by who dominated.

Yankee Stadium I

25 days led peak 14 +170 taken

Dodger Stadium

18 days led peak 14 +129 taken

Kingdome

17 days led peak 14 +143 taken

Angel Stadium

15 days led peak 14 +103 taken

Qualcomm Stadium

14 days led peak 12 +145 taken

Fenway Park

13 days led peak 14 +82 taken

Navin Field

10 days led peak 14 +115 taken

Oakland Coliseum

9 days led peak 14 +66 taken

Memorial Stadium

6 days led peak 14 +48 taken

Olympic Stadium

6 days led peak 12 +74 taken

NRG Astrodome

5 days led peak 12 +74 taken

Cleveland Stadium

3 days led peak 14 +51 taken

Cinergy Field

3 days led peak 12 +91 taken

Busch Stadium

3 days led peak 12 +31 taken

Kauffman Stadium

2 days led peak 14 +56 taken

Milwaukee County Stadium

2 days led peak 14 +39 taken

Turnpike Stadium

2 days led peak 10 +47 taken

Exhibition Stadium

1 day led peak 14 +52 taken

Shea Stadium

1 day led peak 12 +55 taken

Three Rivers Stadium

1 day led peak 12 +15 taken

Veterans Stadium

0 days led peak 12 +50 taken

White Sox Park

0 days led peak 10 +41 taken

Wrigley Field

0 days led peak 6 +10 taken

Metropolitan Stadium

0 days led peak 4 +8 taken

Explore MLB Through the Years

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