The outlaw Mexican League scuttles its competition, Mexico’s only league entry in organized baseball. There are now 43 minor leagues for 1946. No other minor leagues will fold this year.

This Day In Baseball

On May 27, 1946 — The outlaw Mexican League scuttles its competition, Mexico’s only league entry in organized baseball. There are now 43 minor leagues for 1946. No other minor leagues will fold this year.

Source:
Baseball Reference May 27