- Location: Clinton, IA
- League: Midwest League 1994-2020
- Class: A
- Affiliation: San Francisco Giants1994; San Diego Padres 1995-1998; Cincinnati Reds 1999-2000; Montreal Expos 2001-2002; Texas Rangers 2003-2008; Seattle Mariners 2009-2018 Miami Marlins 2019-2020
- Ballpark: Alliant Energy Field
Clinton was one of the cities that lost its affiliation in the minor league re-structuring after the 2020 season.