US PROFESSIONAL LEAGUES
 BY AFFILIATION

  

To View the Structure of the US Minor Leagues by League, click here.

To View the Structure of the US Independent Leagues by League, click here.

AMERICAN LEAGUE EAST
  ML TEAM 'AAA' & 'AA' 'A' AFFLIIATE(S) ROOKIE TEAMS

BALTIMORE
ORIOLES
AAA Norfolk Tides
AA  Bowie Baysox
A-Ad: Frederick Keys
A: Delmarva Shorebirds
A-SS: Aberdeen Ironbirds
R: Bluefield Orioles
R: VSL Orioles
  

BOSTON
RED SOX
AAA Pawtucket
Red Sox
AA  Portland Sea Dogs
A-Ad: Lancaster JetHawks
A: Greenville Drive
A-SS: Lowell Spinners
R: GCL Red Sox
  
  

NEW YORK
YANKEES
AAA Scranton W-B Yankees
AA  Trenton Thunder
A-Ad: Tampa Yankees
A: Charleston River Dogs
A-SS: Staten Is. Yankees
R: GCL Yankees
  
  

TAMPA BAY
DEVIL RAYS
AAA Durham Bulls
AA  Montgomery
Biscuits
A-Ad: Vero Beach D-Rays
A: Columbus Catfish
A-SS: Hudson Valley Renegades
R: Princeton Devil Rays
  
  

TORONTO
BLUE JAYS
AAA Syracuse 
Chiefs
AA  New Hampshire
Fisher Cats
A-Ad: Dunedin Blue Jays
A: Lansing Lugnuts
A-SS: Auburn Doubledays
R: GC Blue Jays 
  
         

AMERICAN LEAGUE CENTRAL
  ML TEAM 'AAA' & 'AA' 'A' AFFLIIATE(S) ROOKIE TEAMS

CHICAGO
WHITE SOX
AAA Charlotte Knights
AA  Birmingham Barons
A-Ad: Winston-Salem
         Warthogs
A: Kannapolis Intimidators
R: Bristol White Sox
R: Great Falls White Sox
  

CLEVELAND
INDIANS
AAA Buffalo Bisons
AA  Akron Aeros
A-Ad: Kinston Indians
A: Lake County Captains
A-SS: Mahoning Val. Scrappers
R: GCL Indians
  

DETROIT
TIGERS
AAA Toledo Mud Hens
AA Erie Seawolves
A-Ad: Lakeland Flying Tigers
A: West Michigan Whitecaps
A-SS: Oneonta Tigers
R: GCL Tigers
  
  

KANSAS CITY
ROYALS
AAA Omaha Royals
AA Northwest Arkansas Naturals
A-Ad: Wilmington Blue Rocks
A: Burlington Bees
  
R: Surprise Royals
R: Burlington Royals
R: Idaho Falls Chukars

MINNESOTA
TWINS
AAA Rochester
Red Wings
AA  New Britain Rock Cats
A-Ad: Fort Myers Miracle
A: Beloit Snappers
  
R: Elizabethton Twins
R: GCL Twins  
 
         

AMERICAN LEAGUE WEST
  ML TEAM 'AAA' & 'AA' 'A' AFFLIIATE(S) ROOKIE TEAMS

ANAHEIM
ANGELS
AAA Salt Lake Bees
AA  Arkansas Travelers
A-Ad: Rancho-Cucamonga
         Quakes
A: Cedar Rapids Kernels
R: Tempe Angels
R: Orem Owlz
  

OAKLAND
ATHLETICS
AAA Sacramento 
River Cats
AA  Midland Rockhounds
A-Ad: Stockton Ports
A: Kane County Cougars
A-SS: Vancouver Canadians
R: AZL Athletics
  
  

SEATTLE
MARINERS
AAA Tacoma Rainiers
AA West Tennessee Diamond Jaxx
A-Ad: High Desert Mav'cks
A: Wisconsin Timber Rattlers
A-SS: Everett Aqua Sox  
R: ASL Mariners
R: Pulaski Mariners
  

TEXAS
RANGERS
AAA Oaklahoma
Red Hawks
AA Frisco RoughRiders
A-Ad: Bakersfield Blaze
A: Clinton Lumberkings 
A-SS: Spokane Indians
R: AZL Rangers
 
  
         

NATIONAL LEAGUE EAST
  ML TEAM 'AAA' & 'AA' 'A' AFFLIIATE(S) ROOKIE TEAMS

ATLANTA
BRAVES
AAA Richmond Braves
AA  Mississippi Braves
A-Ad: Myrtle Beach Pelicans
A: Rome Braves
  
R: Danville Braves
R: GCL Braves
  

FLORIDA
MARLINS
AAA Albuquerque
Isotopes
AA  Carolina Mudcats
A-Ad: Jupiter Hammerheads
A: Greensboro Grasshoppers
A-SS: Jamestown Jammers
R: GCL Marlins
 
  

NEW YORK
METS
AAA New Orleans 
Zephyrs
AA Binghamton Mets
A-Ad: St. Lucie Mets
A: Savannah Sand Gnats
A-SS: Brooklyn Cyclones
R: Kingsport Mets
 

PHILADELPHIA
PHILLIES
AAA Lehigh Valley
Ironpigs
AA Reading Phillies
A-Ad: Clearwater Threshers
A: Lakewood Blue Claws
A-SS: Williamsport Cr'cutters
R: GCL Phillies 
  
  

WASHINGTON
NATIONALS
AAA Columbus Clippers
AA Harrisburg Senators
A-Ad: Potomac Nationals
A: Hagerstown Suns
A-SS: Vermont Lake Monsters 
R: GCL Nationals
 
  
         

NATIONAL LEAGUE CENTRAL
  ML TEAM 'AAA' & 'AA' 'A' AFFLIIATE(S) ROOKIE TEAMS

CHICAGO
CUBS
AAA Iowa Cubs
AA  Tennessee Smokies
A-Ad: Daytona Cubs
A: Peoria Chiefs
A: Boise Hawks 
R: Mesa Cubs
 
  

CINCINNATI
REDS
AAA Louisville Bats
AA  Chattanooga Lookouts
A-Ad: Sarasota Reds
A: Dayton Dragons
  
R: Billings Mustangs
R: GCL Reds 
 

HOUSTON
ASTROS
AAA Round Rock Express
AA Corpus Christi Hooks
A-Ad: Salem Avelanche
A: Lexington Legends
A-ss: Tri-City Valley Cats  
R: Greeneville Astros
 
  

MILWAUKEE
BREWERS
AAA Nashville Sounds
AA Huntsville Stars
A-Ad: Brevard County 
        Manatees
A: West Virginia Power
R: Arizona Brewers  
R: Helena Brewers
 

PITTSBURGH
PIRATES
AAA Indianapolis Indians
AA Altoona Curve
A-Ad: Lynchburg Hillcats
A: Hickory Crawdads
A-SS: State College Spikes
R: GCL Pirates 
 
  
         

NATIONAL LEAGUE WEST
  ML TEAM 'AAA' & 'AA' 'A' AFFLIIATE(S) ROOKIE TEAMS

ARIZONA
DIAMONDBACKS
AAA Tucson
Sidewinders
AA  Mobile BayBears
A-Ad: Visalia Oaks
A: South Bend Silver Hawks
A: Yakima Bears 
R: Missoula Osprey
  
  

COLORADO
ROCKIES
AAA Colorado Springs
Sky Sox
AA  Tulsa Drillers
A-Ad: Modesto Nuts
A: Asheville Tourists   
A-SS: Tri-City Dust Devils
R: Casper Rockies
 
  

LOS ANGELES
DODGERS
AAA Las Vegas 51's
AA Jacksonville Suns
A-Ad: Inland Empire 66ers
A: Great Lakes Loons
  
R: GCL Dodgers
R: Ogden Raptors
 

SAN DIEGO
PADRES
AAA Portland Beavers
AA San Antonio 
Missions
A-Ad: Lake Elsinore Storm
A: Fort Wayne Wizards
A-SS: Eugene Emeralds
R: Peoria Padres
 
  

SAN FRANCISCO
GIANTS
AAA Fresno Grizzlies
AA Connecticut Defenders
A-Ad: San Jose Giants
A: Augusta Greenjackets
A-SS: Salem-Keizer Volcanoes
R: Arizona Giants 
  
  

ST. LOUIS
CARDINALS
AAA Memphis Redbirds
AA Springfield Cardinals
A-Ad: Palm Beach Cardinals
A: Quad Cities River Bandits
A-SS: Batavia Muckdogs
R: Johnson City Cardinals