The Horizon League is an NCAA Division I conference comprised of teams in the midwestern United States.
Teams
| Team | Location | Ballpark |
| Butler Bulldogs | Indianapolis, Indiana | |
| Cleveland State Vikings | Cleveland, Ohio | |
| Illinois-Chicago Flames | Chicago, Illinois | |
| Milwaukee Panthers | Milwaukee, Wisconsin | |
| Valparaiso Crusaders | Valparaiso, Indiana | |
| Wright State Raiders | Dayton, Ohio | |
| Youngstown State Penguins | Youngstown, Ohio |