Frontier League
Current teams
Evansville Otters
(1995 – )
Florence Y'alls
(2003 – )
Gateway Grizzlies
(2001 – )
Joliet Slammers
(2011 – )
Lake Erie Crushers
(2009 – )
New Jersey Jackals
(2020 – )
New York Boulders
(2020 – )
Ottawa Titans
(2022 – )
Schaumburg Boomers
(2012 – )
Sussex County Miners
(2020 – )
Tri-City ValleyCats
(2021 – )
Washington Wild Things
(2002 – )
Windy City ThunderBolts
(1999 – )
Former teams
Empire State Greys
(2022 – 2023)
Southern Illinois Miners
(2007 – 2021)