The Pittsburgh Filipinos, of the newly formed United States League, open the season at vacant Exposition Park. The team is named after its veteran Deacon Phillippe, former Pirates star. The USL has promised not to sign current major leaguers, but will not last through June. It will form the basis for the following year’s Federal League, though.

On May 8, 1912 — The Pittsburgh Filipinos, of the newly formed United States League, open the season at vacant Exposition Park. The team is named after its veteran Deacon Phillippe, former Pirates star. The USL has promised not to sign current major leaguers, but will not last through June. It will form the basis for the following year’s Federal League, though.

Source:
Baseball Reference May 8