Northern Association

The Northern Association was a Class D level minor league baseball league. The eight-team league had franchises based in Illinois and Iowa. The league began and ended play in 1910, disbanding on July 19, 1910. The Joliet Jolly-ites moved to Sterling on June 21. The Clinton and Freeport teams disbanded on June 28; The Elgin and Kankakee franchises disbanded on July 11.

Baseball Hall of Fame member Casey Stengel and Fritz Maisel were two league players who reached Major League Baseball after playing in the Northern Association.

Cities represented

 * Clinton, Iowa: Clinton Teddies 1910
 * Decatur, Illinois: Decatur Commodores 1910
 * Elgin, Illinois: Elgin Kittens 1910
 * Freeport, Illinois: Freeport Pretzels 1910
 * Jacksonville, Illinois: Jacksonville Jacks 1910
 * Joliet, Illinois: Joliet Jolly-ites 1910
 * Kankakee, Illinois: Kankakee Kays 1910
 * Muscatine, Iowa: Muscatine Pearl Finders 1910
 * Sterling, Illinois: Sterling Infants 1910

Standings & statistics
 1910 Northern Association

The league disbanded July 19.