| Manager: Enzo Maresca (Italy) | | | | | |
| No. | Pos | Full Name | Birth Date (Age) | Club | Country | |
| 1 | GK | Robert Sánchez | November 18, 1997 (aged 27) | Chelsea | | Spain |
| 3 | DF | Marc Cucurella | July 22, 1998 (aged 26) | Chelsea | | Spain |
| 4 | DF | Tosin Adarabioyo | September 24, 1997 (aged 27) | Chelsea | | England |
| 5 | DF | Benoît Badiashile | March 26, 2001 (aged 24) | Chelsea | | France |
| 6 | DF | Levi Colwill | February 26, 2003 (aged 22) | Chelsea | | England |
| 7 | FW | Pedro Neto | March 9, 2000 (aged 25) | Chelsea | | Portugal |
| 8 | MF | Enzo Fernández | January 17, 2001 (aged 24) | Chelsea | | Argentina |
| 9 | FW | Liam Delap | February 8, 2003 (aged 22) | Chelsea | | England |
| 10 | MF | Cole Palmer | May 6, 2002 (aged 23) | Chelsea | | England |
| 11 | FW | Noni Madueke | March 10, 2002 (aged 23) | Chelsea | | England |
| 12 | GK | Filip Jörgensen | April 16, 2002 (aged 23) | Chelsea | | Denmark |
| 14 | MF | Dário Essugo | March 14, 2005 (aged 20) | Chelsea | | Portugal |
| 15 | FW | Nicolas Jackson | June 20, 2001 (aged 23) | Chelsea | | Senegal |
| 17 | MF | Andrey Santos | May 3, 2004 (aged 21) | Chelsea | | Brazil |
| 18 | FW | Christopher Nkunku | November 14, 1997 (aged 27) | Chelsea | | France |
| 19 | DF | Mamadou Sarr | August 29, 2005 (aged 19) | Chelsea | | France |
| 22 | MF | Kiernan Dewsbury-Hall | September 6, 1998 (aged 26) | Chelsea | | England |
| 23 | DF | Trevoh Chalobah | July 5, 1999 (aged 25) | Chelsea | | England |
| 24 | DF | Reece James | December 8, 1999 (aged 25) | Chelsea | | England |
| 25 | MF | Moisés Caicedo | November 2, 2001 (aged 23) | Chelsea | | Ecuador |
| 27 | DF | Malo Gusto | May 19, 2003 (aged 22) | Chelsea | | France |
| 30 | DF | Aarón Anselmino | April 29, 2005 (aged 20) | Chelsea | | Argentina |
| 32 | FW | Tyrique George | February 4, 2006 (aged 19) | Chelsea | | England |
| 34 | DF | Josh Acheampong | May 5, 2006 (aged 19) | Chelsea | | England |
| 38 | FW | Marc Guiu | January 4, 2006 (aged 19) | Chelsea | | Spain |
| 39 | GK | Mike Penders | July 31, 2005 (aged 19) | Chelsea | | Belgium |
| 44 | GK | Gabriel Slonina | May 15, 2004 (aged 21) | Chelsea | | United States |
| 45 | MF | Roméo Lavia | December 27, 2004 (aged 20) | Chelsea | | Belgium |
| Espérance de Tunis (Group D) | | | | | |
| Manager: Maher Kanzari (Tunisia) | | | | | |
| No. | Pos | Full Name | Birth Date (Age) | Club | Country | |
| 1 | GK | Amenallah Memmiche | April 20, 2004 (aged 21) | Espérance de Tunis | | Tunisia |
| 2 | MF | Mohamed Ben Ali | February 16, 1995 (aged 30) | Espérance de Tunis | | Tunisia |
| 3 | DF | Koussay Smiri | July 17, 2004 (aged 20) | Espérance de Tunis | | Tunisia |
| 4 | MF | Mohamed Wael Derbali | June 18, 2003 (aged 21) | Espérance de Tunis | | Tunisia |
| 5 | DF | Yassine Meriah | July 2, 1993 (aged 31) | Espérance de Tunis | | Tunisia |
| 6 | DF | Hamza Jelassi | September 29, 1991 (aged 33) | Espérance de Tunis | | Tunisia |
| 8 | MF | Houssem Tka | August 16, 2000 (aged 24) | Espérance de Tunis | | Tunisia |
| 9 | FW | Rodrigo Rodrigues | June 18, 1996 (aged 28) | Espérance de Tunis | | Brazil |
| 10 | MF | Yan Sasse | June 24, 1997 (aged 27) | Espérance de Tunis | | Brazil |
| 11 | MF | Youcef Belaïli | March 14, 1992 (aged 33) | Espérance de Tunis | | Algeria |
| 12 | FW | Haithem Dhaou | January 12, 2005 (aged 20) | Espérance de Tunis | | Tunisia |
| 13 | DF | Raed Bouchniba | September 25, 2003 (aged 21) | Espérance de Tunis | | Tunisia |
| 14 | MF | Onuche Ogbelu | May 10, 2003 (aged 22) | Espérance de Tunis | | Nigeria |
| 15 | DF | Mohamed Amine Tougai | January 22, 2000 (aged 25) | Espérance de Tunis | | Algeria |
| 16 | GK | Moktar Ifaoui | March 2, 2003 (aged 22) | Espérance de Tunis | | Tunisia |
| 17 | MF | Zakaria El Ayeb | January 15, 2003 (aged 22) | Espérance de Tunis | | Tunisia |
| 19 | FW | Achref Jabri | December 26, 2001 (aged 23) | Espérance de Tunis | | Tunisia |
| 20 | DF | Mohamed Amine Ben Hmida | December 15, 1995 (aged 29) | Espérance de Tunis | | Tunisia |
| 21 | MF | Abdramane Konaté | June 25, 2006 (aged 18) | Espérance de Tunis | | Ivory Coast |
| 22 | DF | Ayman Ben Mohamed | December 8, 1994 (aged 30) | Espérance de Tunis | | Tunisia |
| 24 | FW | Elias Mokwana | September 8, 1999 (aged 25) | Espérance de Tunis | | South Africa |
| 25 | DF | Elyas Bouzaiene | September 8, 1997 (aged 27) | Espérance de Tunis | | Tunisia |
| 26 | GK | Mohamed Sedki Debchi | October 28, 1999 (aged 25) | Espérance de Tunis | | Tunisia |
| 28 | FW | Zineddine Kada | August 1, 2005 (aged 19) | Espérance de Tunis | | Tunisia |
| 30 | FW | Koussay Maacha | May 21, 2007 (aged 18) | Espérance de Tunis | | Tunisia |
| 32 | GK | Bechir Ben Saïd | November 29, 1992 (aged 32) | Espérance de Tunis | | Tunisia |
| 35 | DF | Aziz Koudhai | August 7, 2004 (aged 20) | Espérance de Tunis | | Tunisia |
| 36 | FW | Chiheb Jbeli | May 26, 1996 (aged 29) | Espérance de Tunis | | Tunisia |
| 37 | FW | Mohamed Mouhli | September 13, 1998 (aged 26) | Espérance de Tunis | | Tunisia |
| 38 | MF | Khalil Guenichi | December 11, 2002 (aged 22) | Espérance de Tunis | | Tunisia |
| 39 | FW | Rayen Hamrouni | January 29, 2003 (aged 22) | Espérance de Tunis | | Tunisia |
| 40 | FW | Aboubacar Diakité | December 31, 2006 (aged 18) | Espérance de Tunis | | Mali |
| Flamengo (Group D) | | | | | |
| Manager: Filipe Luís (Brazil) | | | | | |
| No. | Pos | Full Name | Birth Date (Age) | Club | Country | |
| 1 | GK | Agustín Rossi | August 21, 1995 (aged 29) | Flamengo | | Argentina |
| 2 | DF | Guillermo Varela | March 24, 1993 (aged 32) | Flamengo | | Uruguay |
| 3 | DF | Léo Ortiz | January 3, 1996 (aged 29) | Flamengo | | Brazil |
| 4 | DF | Léo Pereira | January 31, 1996 (aged 29) | Flamengo | | Brazil |
| 5 | MF | Erick Pulgar | January 15, 1994 (aged 31) | Flamengo | | Chile |
| 6 | DF | Ayrton Lucas | June 19, 1997 (aged 27) | Flamengo | | Brazil |
| 7 | FW | Luiz Araújo | June 2, 1996 (aged 29) | Flamengo | | Brazil |
| 8 | MF | Gerson | May 20, 1997 (aged 28) | Flamengo | | Brazil |
| 9 | FW | Pedro | June 20, 1997 (aged 27) | Flamengo | | Brazil |
| 10 | MF | Giorgian de Arrascaeta | June 1, 1994 (aged 31) | Flamengo | | Uruguay |
| 11 | FW | Everton | March 22, 1996 (aged 29) | Flamengo | | Brazil |
| 13 | DF | Danilo | July 15, 1991 (aged 33) | Flamengo | | Brazil |
| 17 | DF | Matías Viña | November 9, 1997 (aged 27) | Flamengo | | Uruguay |
| 18 | MF | Nicolás de la Cruz | June 1, 1997 (aged 28) | Flamengo | | Uruguay |
| 19 | FW | Lorran | July 4, 2006 (aged 18) | Flamengo | | Brazil |
| 20 | MF | Matheus Gonçalves | August 18, 2005 (aged 19) | Flamengo | | Brazil |
| 21 | MF | Jorginho | December 20, 1991 (aged 33) | Flamengo | | Italy |
| 23 | FW | Juninho | November 21, 1996 (aged 28) | Flamengo | | Brazil |
| 25 | GK | Matheus Cunha | May 24, 2001 (aged 24) | Flamengo | | Brazil |
| 26 | DF | Alex Sandro | January 26, 1991 (aged 34) | Flamengo | | Brazil |
| 27 | FW | Bruno Henrique | December 30, 1990 (aged 34) | Flamengo | | Brazil |
| 29 | MF | Allan | March 3, 1997 (aged 28) | Flamengo | | Brazil |
| 30 | FW | Michael | March 12, 1996 (aged 29) | Flamengo | | Brazil |
| 33 | DF | Cleiton | April 25, 2003 (aged 22) | Flamengo | | Brazil |
| 43 | DF | Wesley França | September 6, 2003 (aged 21) | Flamengo | | Brazil |
| 47 | FW | Guilherme Gomes | February 2, 2006 (aged 19) | Flamengo | | Brazil |
| 49 | GK | Dyogo Alves | January 9, 2004 (aged 21) | Flamengo | | Brazil |
| 50 | FW | Gonzalo Plata | November 1, 2000 (aged 24) | Flamengo | | Ecuador |
| 51 | DF | Daniel Sales | June 23, 2006 (aged 18) | Flamengo | | Brazil |
| 52 | MF | Evertton Araújo | February 28, 2003 (aged 22) | Flamengo | | Brazil |
| 56 | MF | Pablo Lucio | April 12, 2007 (aged 18) | Flamengo | | Brazil |
| 58 | GK | Leonardo Nannetti | August 21, 2007 (aged 17) | Flamengo | | Brazil |
| 61 | DF | João Victor | January 1, 2007 (aged 18) | Flamengo | | Brazil |
| 64 | FW | Wallace Yan | February 8, 2005 (aged 20) | Flamengo | | Brazil |
| 79 | MF | Joshua | May 26, 2007 (aged 18) | Flamengo | | Brazil |
| Los Angeles FC (Group D) | | | | | |
| Manager: Steve Cherundolo (United States) | | | | | |
| No. | Pos | Full Name | Birth Date (Age) | Club | Country | |
| 1 | GK | Hugo Lloris | December 26, 1986 (aged 38) | Los Angeles FC | | France |
| 4 | DF | Eddie Segura | February 2, 1997 (aged 28) | Los Angeles FC | | Colombia |
| 5 | DF | Marlon Santos | September 7, 1995 (aged 29) | Los Angeles FC | | Brazil |
| 6 | MF | Igor Jesus | March 7, 2003 (aged 22) | Los Angeles FC | | Brazil |
| 8 | MF | Mark Delgado | May 16, 1995 (aged 30) | Los Angeles FC | | United States |
| 9 | FW | Olivier Giroud | September 30, 1986 (aged 38) | Los Angeles FC | | France |
| 11 | MF | Timothy Tillman | January 4, 1999 (aged 26) | Los Angeles FC | | United States |
| 12 | GK | Thomas Hasal | July 9, 1999 (aged 25) | Los Angeles FC | | Canada |
| 14 | DF | Sergi Palencia | March 23, 1996 (aged 29) | Los Angeles FC | | Spain |
| 15 | DF | Lorenzo Dellavalle | April 4, 2004 (aged 21) | Los Angeles FC | | Italy |
| 17 | FW | Jeremy Ebobisse | February 14, 1997 (aged 28) | Los Angeles FC | | United States |
| 18 | GK | David Ochoa | January 16, 2001 (aged 24) | Los Angeles FC | | Mexico |
| 20 | MF | Yaw Yeboah | March 28, 1997 (aged 28) | Los Angeles FC | | Ghana |
| 21 | DF | Ryan Raposo | March 5, 1999 (aged 26) | Los Angeles FC | | Canada |
| 23 | MF | Frankie Amaya | September 26, 2000 (aged 24) | Los Angeles FC | | United States |
| 24 | DF | Ryan Hollingshead | April 16, 1991 (aged 34) | Los Angeles FC | | United States |
| 25 | DF | Maxime Chanot | November 21, 1989 (aged 35) | Los Angeles FC | | Luxembourg |
| 26 | FW | Javairô Dilrosun | June 22, 1998 (aged 26) | Los Angeles FC | | Netherlands |
| 27 | FW | Nathan Ordaz | January 12, 2004 (aged 21) | Los Angeles FC | | El Salvador |
| 29 | DF | Artem Smolyakov | May 29, 2003 (aged 22) | Los Angeles FC | | Ukraine |
| 30 | FW | David Martínez | February 7, 2006 (aged 19) | Los Angeles FC | | Venezuela |
| 31 | GK | Cabral Carter | July 5, 2004 (aged 20) | Los Angeles FC | | United States |
| 33 | DF | Aaron Long | October 12, 1992 (aged 32) | Los Angeles FC | | United States |
| 43 | MF | Adam Saldana | February 7, 2002 (aged 23) | Los Angeles FC | | United States |
| 45 | DF | Kenny Nielsen | February 13, 2002 (aged 23) | Los Angeles FC | | United States |
| 56 | MF | Jude Terry | October 8, 2008 (aged 16) | Los Angeles FC | | United States |
| 70 | MF | Matt Evans | May 25, 2006 (aged 19) | Los Angeles FC | | Guatemala |
| 77 | FW | Adrian Wibowo | January 17, 2006 (aged 19) | Los Angeles FC | | United States |
| 80 | MF | Odin Thiago Holm | January 18, 2003 (aged 22) | Los Angeles FC | | Norway |
| 91 | DF | Nkosi Tafari | March 23, 1997 (aged 28) | Los Angeles FC | | United States |
| 99 | FW | Denis Bouanga | November 11, 1994 (aged 30) | Los Angeles FC | | Gabon |
