Pioneer League (Rk)

Minor League Baseball
The Baseball Cube tracks Minor League history since 1977. Many of the leagues in this section have history prior to 1977.

In 2021, MLB re-organized the Minor Leagues, originally using geographic league descriptions instead of traditional/historical names but league names were reverted not long after. Though we created new leagues, we have attempted to link the pre and post 2021 leagues.
Available Seasons
                              1977 1978 1979 1980 
1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 

League History

CSV
Glossary
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yearteamsdivisionschampionsteam listing
202081 Billings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Idaho Falls Chukars,Missoula PaddleHeads,Ogden Raptors,Orem Owlz,Rocky Mountain Vibes
201982Idaho Falls ChukarsBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz,Rocky Mountain Vibes
201882Great Falls VoyagersBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201782Ogden RaptorsBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201682Orem OwlzBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201582Missoula OspreyBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201482Billings MustangsBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201382Idaho Falls ChukarsBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201282Missoula OspreyBillings Mustangs,Grand Junction Rockies,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
201182Great Falls VoyagersBillings Mustangs,Casper Ghosts,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
yearteamsdivisionschampionsteam listing
201082Helena BrewersBillings Mustangs,Casper Ghosts,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
200982Orem OwlzBillings Mustangs,Casper Ghosts,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
200882Great Falls VoyagersBillings Mustangs,Casper Ghosts,Great Falls Voyagers,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
200782Orem OwlzBillings Mustangs,Casper Ghosts,Great Falls White Sox,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
200682Missoula OspreyBillings Mustangs,Casper Rockies,Great Falls White Sox,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
200582Orem OwlzBillings Mustangs,Casper Rockies,Great Falls White Sox,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Orem Owlz
200482Provo AngelsBillings Mustangs,Casper Rockies,Great Falls White Sox,Helena Brewers,Idaho Falls Chukars,Missoula Osprey,Ogden Raptors,Provo Angels
200382Billings MustangsBillings Mustangs,Casper Rockies,Great Falls White Sox,Helena Brewers,Idaho Falls Padres,Missoula Osprey,Ogden Raptors,Provo Angels
200282Great Falls DodgersBillings Mustangs,Casper Rockies,Great Falls Dodgers,Idaho Falls Padres,Medicine Hat Blue Jays,Missoula Osprey,Ogden Raptors,Provo Angels
200182Billings MustangsBillings Mustangs,Casper Rockies,Great Falls Dodgers,Idaho Falls Padres,Medicine Hat Blue Jays,Missoula Osprey,Ogden Raptors,Provo Angels
yearteamsdivisionschampionsteam listing
200082Idaho Falls PadresBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Raptors,Idaho Falls Padres,Medicine Hat Blue Jays,Missoula Osprey,Ogden Raptors
199982Missoula OspreyBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Medicine Hat Blue Jays,Missoula Osprey,Ogden Raptors
199882Idaho Falls BravesBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Lethbridge Black Diamonds,Medicine Hat Blue Jays,Ogden Raptors
199781Billings MustangsBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Lethbridge Black Diamonds,Medicine Hat Blue Jays,Ogden Raptors
199682Helena BrewersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Lethbridge Black Diamonds,Medicine Hat Blue Jays,Ogden Raptors
199582Helena BrewersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Lethbridge Mounties,Medicine Hat Blue Jays,Ogden Raptors
199482Billings MustangsBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Lethbridge Mounties,Medicine Hat Blue Jays,Ogden Raptors
199382Billings MustangsBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Lethbridge Mounties,Medicine Hat Blue Jays,Pocatello Posse
199282Billings MustangsBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Gems,Lethbridge Mounties,Medicine Hat Blue Jays,Salt Lake City Trappers
199182Salt Lake City TrappersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Medicine Hat Blue Jays,Pocatello Pioneers,Salt Lake City Trappers
yearteamsdivisionschampionsteam listing
199082Great Falls DodgersBillings Mustangs,Butte Copper Kings,Gate City Pioneers,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Medicine Hat Blue Jays,Salt Lake City Trappers
198982Great Falls DodgersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Medicine Hat Blue Jays,Pocatello Giants,Salt Lake City Trappers
198882Great Falls DodgersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Medicine Hat Blue Jays,Pocatello Giants,Salt Lake City Trappers
198782Salt Lake City TrappersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Brewers,Idaho Falls Braves,Medicine Hat Blue Jays,Pocatello Giants,Salt Lake City Trappers
198661Salt Lake City TrappersBillings Mustangs,Great Falls Dodgers,Helena Gold Sox,Idaho Falls Braves,Medicine Hat Blue Jays,Salt Lake City Trappers
198582Salt Lake City TrappersBillings Mustangs,Butte Copper Kings,Great Falls Dodgers,Helena Gold Sox,Idaho Falls Nuggets,Medicine Hat Blue Jays,Pocatello Gems,Salt Lake City Trappers
198482Helena Gold SoxBillings Mustangs,Butte Copper Kings,Calgary Expos,Great Falls Dodgers,Helena Gold Sox,Idaho Falls A's,Medicine Hat Blue Jays,Pocatello Gems
198382Billings MustangsBillings Mustangs,Butte Copper Kings,Calgary Expos,Great Falls Giants,Helena Phillies,Idaho Falls A's,Lethbridge Dodgers,Medicine Hat Blue Jays
198282Medicine Hat Blue JaysBillings Mustangs,Butte Copper Kings,Calgary Expos,Great Falls Giants,Helena Phillies,Idaho Falls A's,Lethbridge Dodgers,Medicine Hat Blue Jays
198182Butte Copper KingsBillings Mustangs,Butte Copper Kings,Calgary Expos,Great Falls Giants,Helena Phillies,Idaho Falls Angels,Lethbridge Dodgers,Medicine Hat Blue Jays
yearteamsdivisionschampionsteam listing
198082Lethbridge DodgersBillings Mustangs,Butte Copper Kings,Calgary Expos,Great Falls Giants,Helena Phillies,Idaho Falls Angels,Lethbridge Dodgers,Medicine Hat Blue Jays
197982Lethbridge DodgersBillings Mustangs,Butte Copper Kings,Calgary Expos,Great Falls Giants,Helena Phillies,Idaho Falls Angels,Lethbridge Dodgers,Medicine Hat Blue Jays
197881Billings MustangsBillings Mustangs,Butte Copper Kings,Calgary Cardinals,Great Falls Giants,Helena Phillies,Idaho Falls Angels,Lethbridge Dodgers,Medicine Hat Blue Jays
197761 Billings Mustangs,Calgary Cardinals,Great Falls Giants,Idaho Falls Angels,Lethbridge Dodgers,Medicine Hat A's
44 record(s)