What is the occasional home of Minnesota Golden Gophers baseball, has a commuter rail route that runs to it?
Northstar Line:  Northstar runs 40 mi from Big Lake to downtown Minneapolis at Target Field using existing track and right-of-way owned by the BNSF Railway. Target Field: Target Field is a baseball park in the historic warehouse (or North Loop) district of downtown Minneapolis. Target Field:  It also has served as the occasional home of Minnesota Golden Gophers baseball, and other local and regional baseball events.
a baseball park