Independent
Independent
Independent
Independent
Independent
Independent
National Association
National Association
National Association
National Association
National League
National League
League Alliance
National League
National League
National League
National League
National League
National League
National League
Independent
Northwestern League
Union Association
National League
American Association
Northwestern League
National League
National League
National League
National League
National League
Western Association
National League
National League
Independent
National League
Independent
National League
Players' League
National League
National League
National League
National League
National League
Promotional
Western League
National League
Western League
National League
Independent
Western League
National League
Western League
National League
Independent
Western League
Western Association
National League
American League
American League