Colorado Rapids
(8)Chicago Fire
(6)LA Galaxy
(6)NY Red Bulls
(6)Chivas USA
(5)Project-40
(3)Sporting KC
(3)Carolina Dynamo
(2)DC United
(2)Houston Dynamo
(2)Indiana Hoosiers
(2)Indiana Invaders
(2)Notre Dame Fighting Irish
(2)Portland Timbers
(2)UCLA Bruins
(2)WF Demon Deacons
(2)Puerto Rico Islanders
(1)Atlanta United
(1)Bakersfield Brigade
(1)Boulder Rapids Reserve
(1)Charlotte Eagles
(1)Chicago Fire Premier
(1)Cleveland Internationals
(1)FC Dallas
(1)Georgetown Hoyas
(1)IMG Soccer Academy
(1)Kalamazoo Kingdom
(1)Las Vegas Lights
(1)Los Angeles FC
(1)MLS All-Stars
(1)Maryland Terrapins
(1)Michigan Bucks
(1)Minnesota United
(1)NE Revolution
(1)Nashville Metros
(1)New York City FC
(1)Oakland Roots SC
(1)Oregon State Beavers
(1)Philadelphia Union
(1)Real Salt Lake
(1)Rochester New York
(1)Rutgers Scarlet Knights
(1)SDSU Aztecs
(1)San Francisco Seals
(1)San Jose Frogs
(1)Seattle Sounders
(1)Seton Hall Pirates
(1)Stanford Cardinal
(1)Tampa Bay Rowdies
(1)UC Davis Aggies
(1)Washington Huskies
(1)Yavapai Roughriders
(1)Reading
(1)Valerenga
(1)Degerfors IF
(1)Tractor Club
(1)CF Montréal
(1)Vancouver Whitecaps
(1)Aalborg BK
(1)Midtjylland
(1)