The Joliet Slammers play at DuPage Medical Group Field in downtown Joliet, Illinois, and are members of the professional, independent Frontier League.  The Frontier League is entering its 28th season of play in 2020.  It is the largest independent professional league with 14 teams spanning from the Mississippi River to the East Coast.  Visit the Slammers online at www.jolietslammers.com or call the ticket office at 815-722-2287 for more information!