Affiliates

AAA – Albuquerque Isotopes

Founded in 2003

Major league affiliations
Current	Colorado Rockies (2015–present)
Previous	Los Angeles Dodgers (2009–2014) Florida Marlins (2003–2008)

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AA – Hartford Yard Goats

Founded in 2016

Major league affiliations
Current	Colorado Rockies (2016-present)
Previous (as New Britain)	Minnesota Twins (1995–2014) Boston Red Sox (1983–1994)

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Advanced A – Lancaster JetHawks

Founded in 1955

Major league affiliations
Current	Colorado Rockies (2017–present)
Previous	Houston Astros (2009–2016) Boston Red Sox (2007–2008) Arizona Diamondbacks (2001–2006) Seattle Mariners (1993–2000) Co-op (1988–1992) San Diego Padres (1977–1987) Minnesota Twins & San Diego Padres (1975–1976) Cleveland Indians (1966–1974) Pittsburgh Pirates (1963–1964) Los Angeles Dodgers (1958–1962) Brooklyn Dodgers (1956–1957) New York Giants (1947–1949)

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Short Season A – Boise Hawks

Founded in 1987

Major league affiliations
Current	Colorado Rockies (2015-present)
Previous	Chicago Cubs (2001-2014) California / Anaheim Angels (1990-2000)

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Rookie – Grand Junction Rockies

Founded in 1978

Major league affiliations
Current	Colorado Rockies (2001–present)
Previous	Anaheim Angels (1997-2000) Tampa Bay Devil Rays (1996) Co-op (1978, 1985, 1987, 1993-1995) Texas Rangers (1988-1992) Seattle Mariners (1984) Kansas City Royals (1982-1983) Milwaukee Brewers (1979-1981