St. Louis Maroons/Indianapolis Hoosiers all-time roster explained

The following is a list of players and who appeared in at least one game for the St. Louis Maroons/Indianapolis Hoosiers franchise of the Union Association (and National League (through).

Note: This list does not include players for the Indianapolis Blues, who played in the NL in, the Hoosiers that played in the American Association in, or the Hoosiers that played in the Federal League in, unless they also played for this incarnation of the Hoosiers.