 Complete the following phrase:  Philadelphia has been the home of numerous defunct professional soccer teams. The Philadelphia Phillies and other baseball clubs established the American League of Professional Football, the first professional soccer league in the United States. The league only played for one season in 1894. Arthur Irwin, the manager of the Phillies baseball team, served as the league president. Other early Philadelphia-area soccer clubs include Philadelphia Hibernian, Centennial F.C., Philadelphia Merchant Ship, Disston A.A., Victor F.C.. Numerous teams competed in the defunct second American Soccer League, including the Philadelphia Ukrainians, Uhrik Truckers, Philadelphia Nationals and the Philadelphia Spartans. The Philadelphia Ukrainians won the US Open Cup four times, while the Uhrik Truckers won the trophy once. Walter Bahr, a Philadelphia native and the captain of the 1950 U.S. national team that 