AMERICAN LEAGUE EAST
Owner 01
| Owner 02
| Owner 03
| Owner 04
| -- Season
| -- Season
| -- Season
| -- Season
| AMERICAN LEAGUE WEST
|
Owner 05
| Owner 06
| Owner 07
| Owner 08
| -- Season
| -- Season
| -- Season
| -- Season
| NATIONAL LEAGUE EAST
|
Owner 09
| Owner 10
| Owner 11
| Owner 12
| -- Season
| -- Season
| -- Season
| -- Season
| NATIONAL LEAGUE WEST
|
Owner 13
| Owner 14
| Owner 15
| Owner 16
| -- Season
| -- Season
| -- Season
| -- Season
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