Welcome to the United Baseball League — Official Site for Summer Collegiate Baseball in Michigan

We are looking to expand for 2018. Contact us to sign up.

NABF (national amateur baseball federation)
NAIA baseball logo
NCAA Baseball logo
NJCAA Baseball logo
great lakes ubl collegiate summer baseball league
Looking to play in a competitive summer league? UBL is now accepting collegiate players.

Michigan Collegiate Summer Baseball

The Great Lakes UBL Collegiate Baseball League (GLUBL) is a collegiate summer baseball league located in Michigan;  including Detroit, Grand Rapids, Lansing, Flint, Saginaw and Kalamazoo metropolitan areas. Amateur players are from NAIA, NJCAA and NCAA-sanctioned colleges and universities. The league plays a competitive travel schedule that includes a league championship series. The GLUBL is a member of the NABF.