The Pioneer League is an independent baseball league. It previously was an affiliated league for several years. It has teams in the Rocky Mountains.
Teams[]
- Idaho Falls Angels (1964-1981)
- Billings Mustangs (1969-Present)
- Great Falls Giants (1969-1983)
- Lethbridge Dodgers (1977-1983)
- Butte Copper Kings (1978-2000)
- Helena Phillies (1978-1983)
- Medicine Hat Blue Jays (1978-2002)
- Calgary Expos (1979-1984)
- Idaho Falls A's (1982-1984)
- Great Falls Dodgers (1984-2002)
- Helena Gold Sox (1984-1986)
- Idaho Falls Eagles (1985)
- Salt Lake City Trappers (1985-1992)
- Idaho Falls Braves (1986-1991; 1993-1999)
- Helena Brewers (1987-2000; 2003-2018)
- Pocatello Giants (1987-1989)
- Gate City Pioneers (1990)
- Pocatello Pioneers (1991)
- Idaho Falls Gems (1992)
- Lethbridge Mounties (1992-1995)
- Pocatello Posse (1993)
- Ogden Raptors (1994-Present)
- Lethbridge Black Diamonds (1996-1998)
- Missoula Osprey (1999-2019)
- Idaho Falls Padres (2000-2003)
- Casper Rockies (2001-2007)
- Provo Angels (2001-2004)
- Great Falls White Sox (2003-2007)
- Idaho Falls Chukars (2004-Present)
- Orem Owlz (2005-2019)
- Casper Ghosts (2008-2011)
- Great Falls Voyagers (2008-Present)
- Grand Junction Rockies (2012-Present)
- Rocky Mountain Vibes (2019-Present)
- Boise Hawks (2021-Present)
- Missoula PaddleHeads (2021-Present)
- Glacier Range Riders (2022-Present)
- Northern Colorado Owlz (2022-Present)