The Rockford Expos was the initial moniker of the minor league baseball teams located in Rockford, Illinois from 1988 to 1999. The Expos were Rockford's first entity in the Midwest League and Rockford teams were minor league affiliates of the Montreal Expos (1988–1992), Kansas City Royals (1993–1994), Chicago Cubs (1995–1998) and Cincinnati Reds (1999), hosting home games at Marinelli Field.