Pittsburgh Allegheny (International Association)

[2] On February 20, 1877, the International Association was founded in Pittsburgh, and consisted of seven teams that played within Canada and the United States.

Later that month, on June 20, 1877, Allegheny tied a club representing Indianapolis and the League Alliance, 2–2, in the first game to be decided in 17-innings.

Jack Glasscock, who played shortstop for the 1893–94 Pirates received his start with International Association's Allegheny club as did an 18-year-old pitcher, Mickey Welch.

[4] Despite gaining membership to the International League the following season, the club folded in 1878, unable to compete with the strong, local independent squads like the East Liberty Stars or the Olympics, which were better-rooted in the Pittsburgh neighborhoods and workplaces.

[1] Despite a rule prohibiting "a person leaving one club and joining another without proper release" Allegheny was hit hard with player defections and formally folded on June 8, 1878, posting a dismal 3–23 record.

Denny McKnight, future owner and manager of the Pittsburgh Alleghenies , served as team manager in 1877.
George Strife played second base for Allegheny in 1878. He would later hit the first-ever home run in Pittsburgh Pirates history in 1882.
Hall of Famer Pud Galvin pitched for the team in 1877. He later pitched again as a member of the Pittsburgh Alleghenies of the American Association , Pittsburgh Pirates of the National League and the Pittsburgh Burghers of the Players' League .
Hall of Famer Mickey Welch pitched for Pittsburgh in 1878, before winning two National League pennants with the New York Giants .