The Battle Creek Crickets were a minor league baseball team based in Battle Creek, Michigan. From 1906 to 1915, the Crickets played as members of the Southern Michigan League for the duration of the league, winning the 1913 league championship. The Battle Creek Crickets teams hosted their home minor league games at Athletic Park.

The Jackson Convicts were a minor league baseball team based in Jackson, Michigan. From 1906 to 1915, Jackson teams played as members of the Southern Michigan League for the duration of the league but did not claim a league championship in their tenure. In 1914 and 1915, Jackson played one season each known as the "Chiefs" and "Vets." Jackson teams hosted home minor league teams at Keeley Park. The team "Convicts" nickname corresponded to Jackson serving as home to the Michigan State Prison in the era.