The newly-organized Union League changes its name to the Eastern League to avoid confusion with the new Union Association. The EL continues into the 21st century as the AAA International League.

The newly-organized Union League changes its name to the Eastern League to avoid confusion with the new Union Association. The EL continues into the 21st century as the AAA International League.

Pitcher Larry Corcoran, breaks his contract to re-sign with his old club, the Chicago White Stockings of the National League.

Pitcher Larry Corcoran, who had signed with the Chicago team of the outlaw Union Association, breaks his contract to re-sign with his old club, the Chicago White Stockings of the National League.