The Illinois–Missouri League was an American minor league baseball league. The Class D league began operations in 1908, and continued through 1914 with teams located in Illinois and Missouri. The Lincoln Abes won consecutive league titles in 1912–1913. Baseball Hall of Fame members Grover Cleveland Alexander (1909 Galesburg Boosters) and Ray Schalk (1911 Taylorville Christians) are league alumni.

Cities represented: 1908–1914

Standings and statistics

1908 Illinois–Missouri League The league was formed. Newly formed teams in Canton, Illinois, Galesburg, Illinois, Hannibal, Missouri, Havana, Illinois, Macomb, Illinois, and Monmouth, Illinois were the charter cities in the league. 1909 Illinois–Missouri League Hannibal left the to join the American Association. The Havana Perfectos folded. The Beardstown Infants and Pekin Celestials joined the league. 1910 Illinois–Missouri League The teams from Galesburg and Monmouth joined the Central Association. The Clinton Champs and Lincoln Abes joined the league. Beardstown moved to Jacksonville, Illinois on July 21, and folded with Macomb on August 17. schedule 1911 Illinois–Missouri League New teams in Champaign-Urbana Velvets and Taylorville Christians joined the league. schedule 1912 Illinois–Missouri League Taylorville folded. The Streator Speedboys joined the league. The Champaign–Urbana Velvets changed their name to the Champaign Velvets. Clinton moved to Kankakee, Illinois on May 16 with a 2–5 record; thereafter, they went 54–51 as the Kankakee Kanks. schedule 1913 Illinois–Missouri League Canton and Pekin folded on July 10, before the end of the season. The league instituted a split–season schedule. The playoff system developed in which the best record of the first–half of the season would play the best record of the second–half of the season. schedule 1914 Illinois–Missouri League The LaSalle Blue Sox and Ottawa Indians formed and joined the league. Kankakee and Lincoln both folded on July 3, before the season ended. schedule Ottawa and Streator left the league to join the Bi-State League. The teams in Champaign and LaSalle folded, and the league itself folded.

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