Upper Peninsula League

The Upper Peninsula League was a minor league baseball league that played in the 1890 and 1891 seasons. The six–team Independent level Upper Peninsula League consisted of franchises based exclusively in Michigan.

History
The Upper Peninsula League formed and began play in the 1890 season as a non–signatory, Independent level league. The Calumet Red Jackets, Hancock, Houghton, Ishpeming, Marquette Undertakers and Negaunee teams were the charter members.

In their first season of play, the league began the schedule on May 31, 1890. Houghton won the 1890 Upper Peninsula League championship with a 23–12 overall record in the six–team league, as the Hancock and Negaunee franchises folded during the season.

The Upper Peninsula League played with four teams in 1891. The Calumet Red Jackets won the championship with a 36–24 record. The Upper Peninsula League permanently folded following the 1891 season, evolving into the Wisconsin–Michigan League in 1892.

League standings
1890 Upper Peninsula League standings 1891 Upper Peninsula League standings