Changes for 2009 season:
League | Previous Location | Previous Team Name | Previous Affiliation | New Location | New Team Name | New Affiliation |
Pacific Coast | Tucson, AZ | Tucson Sidewinders | Arizona | Reno, NV | Reno Aces | |
International | Richmond, VA | Richmond Braves | Atlanta | Gwinnett County, GA | Gwinnett Braves | |
Pacific Coast | Albuquerque, NM | Albuquerque Isotopes | Florida | Los Angeles | ||
Pacific Coast | Las Vegas, NV | Las Vegas 51s | Los Angeles | Toronto | ||
International | Syracuse, NY | Syracuse Chiefs | Toronto | Washington | ||
International | Columbus, OH | Columbus Clippers | Washington | Cleveland | ||
International | Buffalo, NY | Buffalo Bisons | Cleveland | New York (NL) | ||
Pacific Coast | New Orleans, LA | New Orleans Zephyrs | New York (NL) | Florida | ||
Southern | Jacksonville, FL | Jacksonville Suns | Los Angeles | Florida | ||
Southern | Zebulon, NC | Carolina Mudcats | Florida | Cincinnati | ||
Southern | Chattanooga, TN | Chattanooga Lookouts | Cincinnati | Los Angeles | ||
Florida State | Vero Beach, FL | Vero Beach Devil Rays | Tampa Bay | Port Charlotte, FL | Charlotte Stone Crabs | |
Carolina | Salem, VA | Salem Avalanche | Houston | Salem Red Sox | Boston | |
California | Lancaster, CA | Lancaster JetHawks | Boston | Houston | ||
California | Visalia, CA | Visalia Oaks | Arizona | Visalia Rawhide | ||
Carolina | Winston-Salem, NC | Winston-Salem Warthogs | Chicago (AL) | Winston-Salem Dash | ||
South Atlantic | Columbus, GA | Columbus Catfish | Tampa Bay | Bowling Green, KY | Bowling Green Hot Rods | |
South Atlantic | Charleston, WV | West Virginia Power | Milwaukee | Pittsburgh | ||
South Atlantic | Hickory, NC | Hickory Crawdads | Pittsburgh | Texas | ||
Midwest | Clinton, IA | Clinton Lumber Kings | Texas | Seattle | ||
Midwest | Appleton, WI | Wisconsin Timber Rattlers | Seattle | Milwaukee | ||
Midwest | Fort Wayne, IN | Fort Wayne Wizards | San Diego | Fort Wayne TinCaps |
Changes for 2010 season:
League | Previous Location | Previous Team Name | Previous Affiliation | New Location | New Team Name | New Affiliation |
Eastern | Norwich, CT | Connecticut Defenders | San Francisco | Richmond, VA | TBA | |
South Atlantic | Eastlake, OH | Lake County Captains | Cleveland | N/A | N/A | N/A |
Midwest | N/A | N/A | N/A | Eastlake, OH | Lake County Captains | Cleveland |
South Atlantic | Bowling Green, KY | Bowling Green Hot Rods | Tampa Bay | N/A | N/A | N/A |
Midwest | N/A | N/A | N/A | Bowling Green, KY | Bowling Green Hot Rods | Tampa Bay |
NY-Penn | Jamestown, NY | Jamestown Jammers | Florida | Norwich, CT | TBA |
Pacific Coast League
(AAA)
Albuquerque Isotopes
- Los Angeles (2008 Florida affiliate)
Colorado Springs Sky Sox
- Colorado
Fresno Grizzlies
- San Francisco
Iowa Cubs
- Chicago (NL)
Las Vegas 51s
- Toronto (2008 Los Angeles affiliate)
Memphis Redbirds
- St. Louis
Nashville Sounds
- Milwaukee
New Orleans Zephyrs
- Florida (2008 New York (NL) affiliate)
Oklahoma RedHawks
- Texas
Omaha Royals
- Kansas City
Portland Beavers
- San Diego
Reno Aces
- Arizona (2008 Tucson Sidewinders)
Round Rock Express
- Houston
Sacramento River Cats
- Oakland
Salt Lake Bees
- Anaheim
Tacoma Rainiers
- Seattle
Eastern League
(AA)
Akron Aeros
- Cleveland
Altoona Curve
- Pittsburgh
Binghamton Mets
- New York (NL)
Bowie Baysox
- Baltimore
Connecticut Defenders
- San Francisco
Erie SeaWolves
- Detroit
Harrisburg Senators
- Washington
New Britain Rock Cats
- Minnesota
New Hampshire Fisher Cats
- Toronto
Portland Sea Dogs
- Boston
Reading Phillies
- Philadelphia
Trenton Thunder
- New York (AL)
Southern League
(AA)
Birmingham Barons
- Chicago (AL)
Carolina Mudcats
- Cincinnati (2008 Florida affiliate)
Chattanooga Lookouts
- Los Angeles (2008 Cincinnati affiliate)
Huntsville Stars
- Milwaukee
Jacksonville Suns
- Florida (2008 Los Angeles affiliate)
Mississippi Braves
- Atlanta
Mobile BayBears
- Arizona
Montgomery Biscuits
- Tampa Bay
Tennessee Smokies
- Chicago (NL)
West Tennessee Diamond Jaxx
- Seattle
Texas League
(AA)
Arkansas Travelers
- Anaheim
Corpus Christi Hooks
- Houston
Frisco RoughRiders
- Texas
Midland RockHounds
- Oakland
Northwest Arkansas Naturals
- Kansas City
San Antonio Missions
- San Diego
Springfield Cardinals
- St. Louis
Tulsa Drillers
- Colorado
California League
(A - Advanced)
Bakersfield Blaze
- Texas
High Desert Mavericks
- Seattle
Lake Elsinore Storm
- San Diego
Lancaster JetHawks
- Houston (2008 Boston affiliate)
Modesto Nuts
- Colorado
Rancho Cucamonga Quakes
- Anaheim
San Bernardino Inland Empire 66ers
- Los Angeles
San Jose Giants
- San Francisco
Stockton Ports
- Oakland
Visalia Rawhide
- Arizona (2008 Visalia Oaks)
Carolina League
(A - Advanced)
Frederick Keys
- Baltimore
Kinston Indians
- Cleveland
Lynchburg Hillcats
- Pittsburgh
Myrtle Beach Pelicans
- Atlanta
Potomac Nationals
- Washington
Salem Red Sox
- Boston (2008 Salem Avalanche Houston affiliate)
Wilmington Blue Rocks
- Kansas City
Winston-Salem Dash
- Chicago (AL) (2008 Winston-Salem Warthogs)
Florida State League
(A - Advanced)
Brevard County Manatees
- Milwaukee
Charlotte Stone Crabs
- Tampa Bay (2008 Vero Beach Devil Rays)
Clearwater Threshers
- Philadelphia
Daytona Cubs
- Chicago (NL)
Dunedin Blue Jays
- Toronto
Fort Myers Miracle
- Minnesota
Jupiter Hammerheads
- Florida
Lakeland Flying Tigers
- Detroit
Palm Beach Cardinals
- St. Louis
St. Lucie Mets
- New York (NL)
Sarasota Reds
- Cincinnati
Tampa Yankees
- New York (AL)
Midwest League
(A)
Beloit Snappers
- Minnesota
Burlington Bees
- Kansas City
Cedar Rapids Kernels
- Anaheim
Clinton Lumber Kings
- Seattle (2008 Texas affiliate)
Dayton Dragons
- Cincinnati
Fort Wayne TinCaps
- San Diego (2008 Fort Wayne Wizards)
Great Lakes Loons
- Los Angeles
Kane County Cougars
- Oakland
Lansing Lugnuts
- Toronto
Peoria Chiefs
- Chicago (NL)
Quad Cities River Bandits
- St. Louis
South Bend Silver Hawks
- Arizona
West Michigan Whitecaps
- Detroit
Wisconsin Timber Rattlers
- Milwaukee (2008 Seattle affiliate)
South Atlantic League
(A)
Asheville Tourists
- Colorado
Augusta GreenJackets
- San Francisco
Bowling Green Hot Rods
- Tampa Bay (2008 Columbus Catfish)
Charleston Riverdogs
- New York (AL)
Delmarva Shorebirds
- Baltimore
Greensboro Grasshoppers
- Florida
Greenville Drive
- Boston
Hagerstown Suns
- Washington
Hickory Crawdads
- Texas (2008 Pittsburgh affiliate)
Kannapolis Intimidators
- Chicago (AL)
Lake County Captains
- Cleveland
Lakewood Blue Claws
- Philadelphia
Lexington Legends
- Houston
Rome Braves
- Atlanta
Savannah Sand Gnats
- New York (NL)
West Virginia Power
- Pittsburgh (2008 Milwaukee affiliate)
NY-Penn League (A - Short Season)
Aberdeen IronBirds
- Baltimore
Auburn Doubledays
- Toronto
Batavia Muckdogs
- St. Louis
Brooklyn Cyclones
- New York (NL)
Hudson Valley Renegades
- Tampa Bay
Jamestown Jammers
- Florida
Lowell Spinners
- Boston
Mahoning Valley Scrappers
- Cleveland
Oneonta Tigers
- Detroit
State College Spikes
- Pittsburgh
Staten Island Yankees
- New York (AL)
Tri-City ValleyCats
- Houston
Vermont Lake Monsters
- Washington
Williamsport Crosscutters
- Philadelphia
Northwest League
(A - Short Season)
Boise Hawks
- Chicago (NL)
Eugene Emeralds
- San Diego
Everett AquaSox
- Seattle
Salem-Keizer Volcanoes
- San Francisco
Spokane Indians
- Texas
Tri-City Dust Devils
- Colorado
Vancouver Canadians
- Oakland
Yakima Bears
- Arizona
Appalachian League
(Rookie - Short Season)
Bluefield Orioles
- Baltimore
Bristol White Sox
- Chicago (AL)
Burlington Royals
- Kansas City
Danville Braves
- Atlanta
Elizabethton Twins
- Minnesota
Greeneville Astros
- Houston
Johnson City Cardinals
- St. Louis
Kingsport Mets
- New York (NL)
Princeton Devil Rays
- Tampa Bay
Pulaski Mariners
- Seattle
Pioneer League
(Rookie - Short Season)
Billings Mustangs
- Cincinnati
Casper Ghosts
- Colorado
Great Falls Voyagers
- Chicago (AL)
Helena Brewers
- Milwaukee
Idaho Falls Chukars
- Kansas City
Missoula Osprey
- Arizona
Ogden Raptors
- Los Angeles
Orem Owlz
- Anaheim