1991 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 Detroit Tigers finished on top with 14 of 26 territories (53.8%).

Team Territories Controlled
Detroit Tigers 14 (53.8%)
Houston Astros 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 (1991-10-05)
Longest Reign
17
straight days as leader
Most Conquered
149
territories taken all season
Biggest Collapse
−14
lost in one day (1991-10-06)

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.

Tiger Stadium

23 days led peak 14 +123 taken

Three Rivers Stadium

20 days led peak 12 +70 taken

Dodger Stadium

19 days led peak 12 +103 taken

NRG Astrodome

17 days led peak 12 +80 taken

Fenway Park

14 days led peak 14 +97 taken

SDCCU Stadium

13 days led peak 12 +149 taken

Candlestick Park

13 days led peak 12 +102 taken

Milwaukee County Stadium

11 days led peak 14 +141 taken

Busch Stadium

11 days led peak 12 +91 taken

Yankee Stadium I

5 days led peak 14 +92 taken

Wrigley Field

5 days led peak 12 +30 taken

Hubert H. Humphrey Metrodome

5 days led peak 10 +106 taken

Veterans Stadium

5 days led peak 10 +42 taken

Olympic Stadium

5 days led peak 10 +21 taken

Cinergy Field

2 days led peak 12 +43 taken

Memorial Stadium

1 day led peak 14 +66 taken

Angel Stadium

1 day led peak 14 +55 taken

Rogers Centre

1 day led peak 10 +48 taken

Rate Field

0 days led peak 10 +73 taken

Kauffman Stadium

0 days led peak 10 +53 taken

Kingdome

0 days led peak 10 +26 taken

Arlington Stadium

0 days led peak 8 +12 taken

Shea Stadium

0 days led peak 4 +13 taken

Oakland Coliseum

0 days led peak 4 +53 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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