St. Leo’s quickly asserted its dominance as the only fully professional team in the new league.
[5] This episode did not serve St. Leo’s long term interests as it brought Ben Millers into the top level of St. Louis soccer.
Ben Millers quickly established themselves as the dominant team and St. Leo’s and Innisfails found themselves fighting for second place.
St. Leo's had a Municipal League team entered in the 1922 National Challenge Cup.
[6] In December 1911 the St. Leos hosted the 1911 American Cup holders Tacony of Philadelphia and played them to a 4-4 tie.