San Francisco Pirates
The San Francisco Pirates were a minor league baseball team based in San Francisco, California. In 1903, the San Francisco Pirates played a partial season as charter members of the Class A level Pacific National League, before folding during the season. The Pirates hosted home games at National Park. History San Francisco first hosted minor league baseball in 1878, when the San Francisco Athletics began play as members of the Pacific League. In 1903, the San Francisco "Pirates" team became charter members of the eight–team Class A level Pacific National League. Class A was the highest level of minor leagues in the era. Beginning the season, the Pacific Northwest League had changed its name to become the Pacific National League. This was a result of the California League expanding north into Seattle and Portland and changing its name to become the Pacific Coast League. As a result, the Pacific Northwest League placed franchises in Los Angeles and San Francisco to rival the Pacific Coast League. The new San Francisco Pacific Northwest League team was named the "Pirates." The San Francisco Pirates began Pacific National League play on April 14, 1903, with the other league teams. The Pacific National League began