ISG Field
| Former names | Franklin Rogers Park (1977–2020)  Key City Park (1961–1976)  | 
|---|---|
| Location | 601 Reed Street  Mankato, Minnesota 56001  | 
| Coordinates | 44°10′12″N 93°58′33″W / 44.17000°N 93.97583°W | 
| Public transit | MTS | 
| Owner | City of Mankato | 
| Operator | Mankato Parks and Recreation | 
| Capacity | 2,200 | 
| Field size | Left Field: 315 ft (96 m) Center Field: 386 ft (118 m) Right Field: 325 ft (99 m)  | 
| Surface | artificial turf | 
| Construction | |
| Opened | 1961 | 
| Renovated | 2018 | 
| Tenants | |
| Mankato MoonDogs (NWL) 1999–present  Mankato Habaneros (NWL) 2024–present Bethany Lutheran College (UMAC) Mankato West High School Loyola Catholic School Mankato Mets (NL) 1967–1968  | |
ISG Field is a stadium in Mankato, Minnesota, United States, with a capacity of 2,200. It is primarily used for baseball, and is the home field of the Mankato Moondogs (formerly the Mankato Mashers) of the Northwoods League, a collegiate summer baseball league. Bethany Lutheran College, Mankato West High School, Loyola Catholic School, and Mankato Area Youth Baseball Association also use the venue.