Teams Listed By Sport
Baseball
Unnamed - Unannounced - Western Association of Professional Baseball Clubs - Proposed - 2019
Colorado Springs Millionaires - Colorado Springs - Western League - Defunct - 1901 to 1905, 1912, 1916
Colorado Rockies - Denver - Major League Baseball - Active - 1993 to present
Colorado Springs Sky Sox - Colorado Springs - Pacific Coast League - Defunct - 1988 to 2018
Colorado Springs Sky Sox - Colorado Springs - Western League - Defunct - 1950 to 1958
Colorado Springs Snow Sox - Colorado Springs - Pecos League - Defunct - 2021 to 2022
Colorado Springs Snow Sox - Colorado Springs - Western League - Proposed - 2023
Denver Bears - Denver - American Association of Independent Professional Baseball - Defunct - 1955 to 1983
Denver Zephyrs - Denver - American Association of Independent Professional Baseball - Defunct - 1984 to 1992
Grand Junction Jackalopes - Grand Junction - Pioneer Baseball League - Active - 2023 to present
Grand Junction Rockies - Grand Junction - Pioneer Baseball League - Inactive - 2012 to 2022
Northern Colorado Owlz - Windsor - Pioneer Baseball League - Active - 2022 to present
Pueblo Bighorns - Pueblo - Texas-Louisiana League - Defunct - 1995
Pueblo Indians - Pueblo - Western League - Defunct - ????
Rocky Mountain Vibes - Colorado Springs - Pioneer Baseball League - Active - 2019 to present
Trinidad Triggers - Trinidad - Pecos League - Active - 2012 to present
Basketball
Aurora Cavalry - Aurora - International Basketball League - Defunct - 2006
Aurora Outlaws - Aurora - International Basketball League - Proposed - 2006
Colorado 14ers - Broomfield - NBA Development League - Defunct - 2006-07 to 2008-09
Colorado Chill - Loveland - National Women's Basketball League - Defunct - 2004 to 2006
Colorado Crossover - Lakewood - International Basketball League - Defunct - 2006 to 2007
Colorado Grey Wolves - Windsor - American Basketball Association - Proposed - 2017
Colorado Hoopers - Broomfield - Evolution Basketball Association - Inactive - 2021
Colorado Journey - Fort Collins - American Basketball Association - Proposed - 2022
Colorado Journey - Fort Collins - Triple Threat Basketball League - Proposed - 2022
Colorado Kings - Denver - American Basketball Association - Defunct - 2010-11 to 2017-18
Colorado Rise - Denver - American Basketball Association - Proposed - 2023
Colorado Springs Crossovers - Colorado Springs - Independent - Defunct - 2022 to 2023
Colorado Springs Crusaders - Colorado Springs - American Basketball Association - Defunct - 2011-12
Colorado Springs Mountaineers - Colorado Springs - American Basketball Association - Proposed - 2018
Colorado Springs Storm - Colorado Springs - American Basketball Association - Defunct - 2004-05
Colorado Xplosion - Denver - American Basketball League - Defunct - 1996-97 to 1998-99
Denver Allstars - Broomfield - Evolution Basketball Association - Defunct - 2021
Denver Dynasty - Denver - Women's Basketball Development Association - Inactive - 2021
Denver Frontier Refiners - Denver - National Professional Basketball League - Defunct - 1950-51
Denver Larks - Denver - American Basketball Association - Proposed - 1967
Denver Nuggets - Denver - Active - 1974-75 to present
American Basketball Association - Inactive - 1974-75 to 1975-76
National Basketball Association - Active - 1976-77 to present
Denver Nuggets - Denver - National Basketball League - Defunct - 1948-49 to 1949-50
Denver Rockets - Denver - American Basketball Association - Defunct - 1967-68 to 1973-74
Mile High Monarchs - Denver - Women's Basketball Development Association - Defunct  - 2021
Pueblo Aztecs - Pueblo - All American Professional Basketball League - Proposed - 2005
Women's National Basketball Association - Loveland - Women's National Basketball Association - Proposed - 2008
Boxing
Denver Rocks - Denver - International Boxing League - Defunct - 1969
Football
Indoor
Unnamed - Unannounced - Arena Football League - Proposed - 2024
Unnamed - Denver - Champions Indoor Football - Proposed - 2022
Colorado Candoos - Colorado Springs - National Indoor Football League - Proposed - 2007
Colorado Castle Rocks - Castle Rock - National Indoor Football League - Proposed - 2007
Colorado Crush - Denver - Arena Football League - Defunct - 2003 to 2008
Colorado Crush - Loveland - Indoor Football League - Defunct - 2016 to 2017
Colorado Ice - Loveland - Indoor Football League - Defunct - 2009 to 2015
Colorado Ice - Loveland - United Indoor Football - Defunct - 2007 to 2008
Colorado Lightning - Monument - American Professional Football League - Defunct - 2012
Colorado Spartans - Denver - National Arena League - Active - 2024 to present
Colorado Stars - Unknown - American Professional Football League - Proposed - 2004
Colorado Venom - Loveland - National Indoor Football League - Defunct - 2004
Colorado Wild Riders - Monument - National Indoor Football League - Defunct - 2007
Colorado Wildcats - Denver - Professional Indoor Football League - Defunct - 1998
Denver Aviators - Denver - National Indoor Football League - Defunct - 2007
Denver Dream - Loveland - Legends Football League - Defunct - 2017 to 2019
Denver Dream - Loveland - Lingerie Football League - Defunct - 2009-10
Denver Dynamite - Denver - Arena Football League - Defunct - 1987, 1989 to 1991
Denver Rush - Loveland - Extreme Football League (X League) - Inactive - 2022
Denver Titans - Denver - American Professional Football League - Defunct - 2009
Mile High Menace - Denver - National Pro-Indoor Football - Proposed - 2016
Northern Colorado Wolfpack - Greeley - Developmental Indoor Football League - Defunct - 2013
Rocky Mountain Thunder - Colorado Springs - Indoor Professional Football League - Defunct - 1999
Pueblo Pistols - Pueblo - National Indoor Football League - Defunct - 2007
Rocky Mountain Thunder - Denver - Developmental Indoor Football League - Defunct - 1999
Steel City Menace - Pueblo - American Indoor Football - Defunct - 2016
Outdoor
Colorado Freeze - Denver - Independent Woman's Football League - Defunct - 2015 to 2018
Colorado Springs Spirit - Colorado Springs - Minor League Football System - Defunct - 1989 to 1990
Colorado Springs Voodoo - Colorado Springs - Independent Women's Football League - Defunct - 2015 to 2016
Colorado Valkyries - Denver - Women's Professional Football League - Defunct - 2000
Denver Bandits - Denver - Women's National Football Conference - Active - 2019 to present
Denver Broncos - Denver - Active - 1960 to present
American Football League - Inactive - 1960 to 1969
National Football League - 1970 to presentÂ
Denver Gold - Denver - A11 Football League - Proposed - 2015
Denver Gold - Denver - United States Football League - Defunct - 1983 to 1985
Denver Gold Rush - Denver - Women's Football League Association - Proposed - 2020
Denver Oilers - Denver - Southwestern Professional Football League - Defunct - 1973
Denver Pumas - Denver - Women's Football League Association - Proposed - 2019
Mile High Blaze - Thornton - Women's Football Alliance - Active - 2016 to present
Pueblo Crusaders - Pueblo - Minor League Football System - Defunct - 1989 to 1990
Rocky Mountain Thunderkatz - Colorado Springs - Women's Football Alliance - Active - 2011 to present
Hockey
Colorado Avalanche - Denver - National Hockey League - Active - 1995-96 to present
Colorado Eagles - Loveland - Active - 2003-04 to present
Central Hockey League - Inactive - 2003-04 to 2010-11
ECHL - Inactive - 2011-12 to 2017-18
American Hockey League - Active - 2018-19 to present
Colorado Flames - Denver - Central Hockey League - Defunct - 1982-83 to 1983-84
Colorado Gold Kings - Colorado Springs - West Coast Hockey League - Defunct - 1998-99 to 2001-02
Colorado Grit - Greeley - North American Hockey League - Active - 2023-24 to present
Colorado Rangers - Denver - International Hockey League - Defunct - 1987-88
Colorado Rockies - Denver - National Hockey League - Defunct - 1976-77 to 1981-82
Denver Cutthroats - Denver - Central Hockey League - Defunct - 2012-13 to 2013-14
Denver Falcons - Denver - United States Hockey League - Defunct - 1950-51
Denver Grizzlies - Denver - International Hockey League - Defunct - 1994-95
Denver Invaders - Denver - Western Hockey League - Defunct - 1963-64
Denver Mavericks - Denver - International Hockey League - Defunct - 1959
Denver Rangers - Denver - International Hockey League - Defunct - 1988-89
Denver Spurs - Denver - Defunct - 1968-69 to 1975-76
Western Hockey League - Defunct - 1968-69 to 1973-74
Central Hockey League - Defunct - 1974-75
World Hockey Association - Defunct - 1975-76
Rocky Mountain Rage - Broomfield - Central Hockey League - Defunct - 2006-07 to 2008-09
Lacrosse
Colorado Mammoth - Denver - National Lacrosse League - Active - 2003 to present
Colorado Sabertooths - Denver - Defunct - 2012 to 2013
Midwest Indoor Lacrosse Association - Defunct - 2012
Continental Indoor Lacrosse League - Defunct - 2013
Denver Rifles - Denver - American Lacrosse League - Defunct - 1988
Denver Outlaws - Denver - Major League Lacrosse - Defunct - 2006 to 2020
Denver Outlaws (II) - Denver - Premier Lacrosse League - Active - 2024 to present
Rodeo
Denver Stars - Denver - Major League Rodeo - Defunct - 1978 to 1979
Roller Hockey
Denver Daredevils - Denver - Roller Hockey International - Defunct - 1995-96
Rollerball
Colorado Stegos - Denver - Rollerball League - Proposed - 2025
Rugby
Colorado Raptors - Glendale - Major League Rugby - Defunct - 2020
Denver Stampede - Denver - PRO Rugby - Defunct - 2016
Glendale Raptors - Glendale - Major League Rugby - Defunct - 2018 to 2019
Rocky Mountain Experts - Denver - Premier Rugby Sevens - Active - 2023 to present
Soccer
Indoor
Colorado Blizzard - Denver - Major Arena Soccer League 2 - Defunct - 2018
Colorado Bucks SC - Littleton - Major League Indoor Soccer - Active - 2023-24 to present
Colorado Inferno - Colorado Springs - Major Arena Soccer League 2 - Defunct - 2017 to 2023
Colorado Lightning - Loveland - Professional Arena Soccer League - Defunct - 2008-09
Colorado Predators - Parker - Professional Arena Soccer League - Defunct - 2007 to 2008
Colorado Rumble - Denver - Major Arena Soccer League 2 - Defunct - 2018
Denver Avalanche - Denver - Major Indoor Soccer League - Defunct - 1980-81 to 1981-82
Denver Dynamite - Denver - Professional Arena Soccer League - Defunct - 2008-09 to 2009-10
Denver Thunder - Denver - National Professional Soccer League - Defunct - 1992-93
Outdoor
Boulder County United - Boulder - United Soccer League Women's League - Proposed - 2024
Caribous of Colorado - Denver - North American Soccer League - Defunct - 1978
Colorado Foxes - Commerce City - American Professional Soccer League - Defunct - 1990 to 1997
Colorado International Soccer Academy - Parker - United Soccer League Women's League - Proposed - 2024
Colorado Rapids - Commerce City - Major League Soccer - Active - 1996 to present
Colorado Springs Switchbacks FC - Colorado Springs - United Soccer League Championship - Active - 2015 to present
Denver Dynamos - Denver - North American Soccer League - Defunct - 1974 to 1975
Flatirons FC - Arvada - United Soccer League Women's League - Proposed - 2024
Northern Colorado Hailstorm - Windsor - United Soccer League League One - Active - 2022 to present
Northern Colorado Rain - Windsor - United Soccer League Women's League - Proposed - 2024
Real Colorado Cougars - Highlands Ranch - USL W-League - Defunct - 2003 to 2009
Real Colorado Foxes - Highlands Ranch - USL Premier Development League - Defunct - 2008 to 2015
Southern Colorado Stars - Monument - Professional Arena Soccer League - Defunct - 2007 to 2008
Tennis
Denver Racquets - Denver - World Team Tennis - Defunct - 1974
Ultimate Disc
Colorado Alpenglow - Thornton - Western Ultimate League - Active - 2023 to present
Colorado Summit - Golden
American Ultimate Disc League - Inactive - 2022 to 2023
Ultimate Frisbee Association - Active - 2024 to present
Volleyball
Colorado Kraken - Denver - National Volleyball Association - Defunct - 2022
Colorado Thunder - Denver - National Volleyball Association - Defunct - 1996 to 1997
Denver Comets - Denver - International Volleyball Association - Defunct - 1977 to 1980
Suggestions and comments are welcome!
Nathan@ColoradoProTeams.com