As of April 6, 2009, the following leagues have passed quality certification in the SABR Minor Leagues Database. We are especially eager for reports on errors found in the statistics we present for these leagues.

    * 1979 Texas League
    * 1991 American Association
    * 1993 Pioneer League
    * 1994 American Association
    * 1994 Appalachian League
    * 1994 Arizona League
    * 1994 California League
    * 1994 Carolina League
    * 1994 Eastern League
    * 1994 Florida State League
    * 1994 Gulf Coast League
    * 1994 Midwest League
    * 1994 New York-Pennsylvania League
    * 1994 Northwest League
    * 1994 Pacific Coast League
    * 1994 Pioneer League
    * 1994 South Atlantic League
    * 1994 Southern League
    * 1994 Texas League
    * 1995 American Association
    * 1995 Appalachian League
    * 1995 Arizona League
    * 1995 California League
    * 1995 Carolina League
    * 1995 Eastern League
    * 1995 Florida State League
    * 1995 Gulf Coast League
    * 1995 International League
    * 1995 Midwest League
    * 1995 New York-Pennsylvania League
    * 1995 Pacific Coast League
    * 1995 Pioneer League
    * 1995 South Atlantic League
    * 1995 Southern League
    * 1995 Texas League
    * 1996 American Association
    * 1996 South Atlantic League
    * 2004 Appalachian League
    * 2004 Arizona League
    * 2004 Atlantic League
    * 2004 California League
    * 2004 Carolina League
    * 2004 Central League
    * 2004 Eastern League
    * 2004 Florida State League
    * 2004 Frontier League
    * 2004 Gulf Coast League
    * 2004 New York-Pennsylvania League
    * 2004 Northeast League
    * 2004 Northern League
    * 2004 Northwest League
    * 2004 Pioneer League
    * 2004 South Atlantic League
    * 2004 Texas League
    * 2007 International League
    * 2007 Mexican League
    * 2007 Pacific Coast League
    * 2008 American Association
    * 2008 Appalachian League
    * 2008 Arizona League
    * 2008 Arizona Winter League
    * 2008 Atlantic League
    * 2008 California League
    * 2008 Canadian-American Association
    * 2008 Carolina League
    * 2008 Continental Baseball League
    * 2008 Dominican Summer League
    * 2008 Dutch Major League
    * 2008 Eastern League
    * 2008 Florida State League
    * 2008 Frontier League
    * 2008 Golden Baseball League
    * 2008 Gulf Coast League
    * 2008 International League
    * 2008 Mexican League
    * 2008 Midwest League
    * 2008 New York-Pennsylvania League
    * 2008 Northern League
    * 2008 Northwest League
    * 2008 Pacific Coast League
    * 2008 Pioneer League
    * 2008 South Atlantic League
    * 2008 Southern League
    * 2008 Texas League
    * 2008 United League Baseball
    * 2008 Venezuelan Summer League