Yesterday was "professional's day" at the Union Grounds, and as a result the attendance at the Boston-St. Louis game embraced many theatrical people. The day was the first of the kind, and proved a success on every particular. It was the St. Louis team that had won seven of the thirteen games previously played by the same clubs, but at the close of yesterday's contest the Bostons were even up...-St. Louis Globe-Democrat, October 17, 1884
The headline from the database I'm using refers to the Boston club as the Boston Colonys, which is something I've never seen before. Not sure where they came up with that one.