Lista provvisoria dei partecipanti aggiornata al 19-08-2019 alle ore 17:15

A.s. Roma

Alaves

Amiens

Angers

Arsenal

Aston Villa

Atalanta

Athletic Bilbao

Atlanta United

Atletico Madrid

Barcellona

Basilea

Bologna

Bordeaux

Bournemouth

Brescia

Brest

Brighton

Burnley

Cagliari

Celta Vigo

Chelsea

Chiacago Fire

Cincinnati

Colorado Rapids

Columbus Crew

Crystal Palace

DC United

Dijon

Eibar

Espanyol

Everton

FC Dallas

Fiorentina

Genoa

Getafe

Granada

Houston Dynamo

Inter

Juventus

Lazio

Lecce

Leganes

Leicester

Levante

Lilla

Lione

Liverpool

Los Angeles FC

Los Angeles Galaxy

Lugano

Mallorca

Manchester City

Manchester United

Marsiglia

Metz

Milan

Minnesota

Monaco

Montpellier

Montreal Impact

Nantes

Napoli

New England Revolution

New York City

New York Red Bulls

Newcastle

Nimes

Nizza

Norwich

Orlando City

Osasuna

Paris SG

Parma

Philadelphia Union

Portland Timbers

Real Betis

Real Madrid

Real Salt Lake

Real Sociedad

Reims

Rennes

Saint-Etienne

Sampdoria

San Gallo

Sassuolo

Seattle Sounders

Sheffield Utd

Sion

Siviglia

Southampton

Spal

Sporting Kansas City

Strasburgo

Tolosa

Torino

Toronto FC

Tottenham

Udinese

Valencia

Valladolid

Verona

Villarreal

Watford

West Ham

Wolves

Xamax

Young Boys

Zurigo