Hoover was one of the best players in the Union Association that year.

He left the team on August 21, 1884, after they joined the Union Association.

He became the first player to desert his existing contract to jump over to the Union Association.

Later in the season, Al jumped to the new Union Association, remaining there until season's end.

He played for two teams during his time in the Union Association, a league that folded following the season.

He played for three different teams in the Union Association in 1884.

He played nine games for two different teams in the Union Association, mostly as an outfielder.

That same year, there was a league called the Union Association.

In 1884, they were a member of the short-lived Union Association.

He was a financial backer of the 1884 Union Association and its Philadelphia team.