1990 MLB Imperialism Map

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Territory Changes

Team Territory Control

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

Final standings: the Cincinnati Reds finished on top with 14 of 26 territories (53.8%).

Team Territories Controlled
Cincinnati Reds 14 (53.8%)
San Francisco Giants 12 (46.2%)

Play with the MLB Map

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

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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 How to make your own map

Data sources: Sports Reference (game data); VenueStats (venue data).

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Season Records

The standout territory feats of the season.

Biggest Land Grab
+14
in a single day (1990-07-19)
Longest Reign
8
straight days as leader
Most Conquered
200
territories taken all season
Biggest Collapse
−14
lost in one day (1990-07-24)

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.

Oakland Coliseum

29 days led peak 14 +131 taken

Fenway Park

22 days led peak 14 +113 taken

Tiger Stadium

19 days led peak 14 +200 taken

Comiskey Park

17 days led peak 14 +131 taken

Cinergy Field

14 days led peak 14 +151 taken

Shea Stadium

14 days led peak 12 +144 taken

Memorial Stadium

10 days led peak 14 +75 taken

Three Rivers Stadium

10 days led peak 12 +99 taken

Milwaukee County Stadium

7 days led peak 14 +42 taken

Kingdome

4 days led peak 14 +87 taken

Busch Stadium

4 days led peak 12 +129 taken

Kauffman Stadium

3 days led peak 14 +62 taken

Arlington Stadium

3 days led peak 14 +27 taken

Dodger Stadium

3 days led peak 12 +65 taken

Olympic Stadium

3 days led peak 12 +50 taken

Rogers Centre

2 days led peak 14 +28 taken

Wrigley Field

2 days led peak 12 +43 taken

Yankee Stadium I

1 day led peak 14 +23 taken

Candlestick Park

1 day led peak 12 +70 taken

Angel Stadium

1 day led peak 10 +36 taken

NRG Astrodome

0 days led peak 12 +20 taken

Veterans Stadium

0 days led peak 12 +26 taken

SDCCU Stadium

0 days led peak 12 +20 taken

Explore MLB Through the Years

All 156 MLB seasons, 1871 to 2026. Replay any of them game by game, or make your own version.

Questions or Feedback?

Got ideas for making these maps better? Found something weird? Want to suggest a new feature?

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