| MD | Players | Clubs | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 11-Jul-2020 |  Cade Cowell | San Jose Earthquakes | United States | 14-Oct-2003 | 16(271) |
| 11-Jul-2020 | Kevin Paredes | DC United | Peru | 07-May-2003 | 17(66) |
| 20-Jul-2020 | Daniel Leyva | Seattle Sounders | United States | 05-May-2003 | 17(77) |
| 28-Jul-2020 | Ethan Dobbelaere | Seattle Sounders | United States | 14-Nov-2002 | 17(257) |
| 14-Jul-2020 | Cameron Dunbar | Los Angeles Galaxy | United States | 22-Oct-2002 | 17(266) |
| 22-Jul-2020 | Griffin Yow | DC United | United States | 25-Sep-2002 | 17(301) |
| 27-Jul-2020 | Jayden Nelson | Toronto FC | Canada | 26-Sep-2002 | 17(305) |
| 19-Jul-2020 | Efrain Alvarez | Los Angeles Galaxy | Mexico | 19-Jun-2002 | 18(31) |
| 13-Jul-2020 | Ganluca Busio | Sporting Kansas City | United States | 28-May-2002 | 18(47) |
| 09-Jul-2020 | Jack de Vries | Philadelphia Union | United States | 28-Mar-2002 | 18(104) |
| 20-Jul-2020 | Joshua Atencio | Seattle Sounders | United States | 31-Jan-2002 | 18(171) |
| 12-Jul-2020 | George Bello | Atlanta United | United States | 22-Jan-2002 | 18(172) |
| 12-Jul-2020 | Aidan Morris | Columbus Crew | United States | 16-Nov-2001 | 18(239) |
| 19-Jul-2020 | Julian Araujo | Los Angeles Galaxy | Mexico | 13-Aug-2001 | 18(341) |
| 18-Jul-2020 | Cole Bassett | Colorado Rapids | United States | 28-Jul-2001 | 18(356) |
| 12-Jul-2020 | Sebastian Berhalter | Columbus Crew | United States | 10-May-2001 | 19(63) |
| 22-Jul-2020 | Jeizon Ramirez Chacon | Real Salt Lake | Venezuela | 24-Mar-2001 | 19(120) |
| 19-Jul-2020 | Bryce Duke | Los Angeles FC | United States | 28-Feb-2001 | 19(141) |
| 31-Jul-2020 | Cameron Duke | Sporting Kansas City | United States | 13-Feb-2001 | 19(168) |
| 09-Jul-2020 | Andres Perea | Orlando City | Colombia | 14-Nov-2000 | 19(237) |
| 09-Jul-2020 | Brendon Aaronson | Philadelphia Union | United States | 22-Oct-2000 | 19(260) |
| 12-Jul-2020 | Frankie Amaya | Cincinnati | United States | 27-Sep-2000 | 19(288) |
| 23-Jul-2020 | Braian Galvan | Colorado Rapids | Argentina | 06-Oct-2000 | 19(290) |
| 10-Jul-2020 | Luis Binks | Montreal Impact | England | 02-Sep-2000 | 19(311) |
| 18-Jul-2020 | Thomas Chacon | Minnesota United | Uruguay | 17-Aug-2000 | 19(335) |
| 21-Jul-2020 | Noble Okello | Toronto FC | Canada | 20-Jul-2000 | 20(1) |
| 09-Jul-2020 | James Sands | New York City | United States | 06-Jul-2000 | 20(3) |
| 09-Jul-2020 | Julian Carranza | Inter Miami CF | Argentina | 22-May-2000 | 20(48) |
| 26-Jul-2020 | Daryl Dike | Orlando City | United States | 03-Jun-2000 | 20(53) |
| 14-Jul-2020 | Brian Rodriguez | Los Angeles FC | Uruguay | 20-May-2000 | 20(55) |
| 23-Jul-2020 | Benjamin Mines | New York Red Bulls | United States | 13-May-2000 | 20(71) |
| 14-Jul-2020 | Nico Lemoine | Houston Dynamo | United States | 10-Apr-2000 | 20(95) |
| 22-Jul-2020 | Aboubacar Keita | Columbus Crew | United States | 06-Apr-2000 | 20(107) |
| 09-Jul-2020 | Matias Pellegrini | Inter Miami CF | Argentina | 11-Mar-2000 | 20(120) |
| 20-Jul-2020 | Ignacio Aliseda | Chicago Fire | Argentina | 14-Mar-2000 | 20(128) |
| 26-Jul-2020 | Kyle Smith | Orlando City | United States | 18-Feb-2000 | 20(159) |
| 19-Jul-2020 | Carlos Harvey | Los Angeles Galaxy | Panama | 03-Feb-2000 | 20(167) |
| 11-Jul-2020 | Ayo Akinola | Toronto FC | Canada | 20-Jan-2000 | 20(173) |
| 12-Jul-2020 | Cristian Casseres Jr | New York Red Bulls | Venezuela | 20-Jan-2000 | 20(174) |
| 19-Jul-2020 | Pablo Bonilla | Portland Timbers | Venezuela | 02-Dec-1999 | 20(230) |
| 16-Jul-2020 | Jacob Shaffelburg | Toronto FC | Canada | 26-Nov-1999 | 20(233) |
| 09-Jul-2020 | Anthony Fontana | Philadelphia Union | United States | 14-Oct-1999 | 20(269) |
| 09-Jul-2020 | Andres Reyes | Inter Miami CF | Chile | 08-Sep-1999 | 20(305) |
| 16-Jul-2020 | Thelonius Bair | Vancouver Whitecaps | Canada | 27-Aug-1999 | 20(324) |
| 14-Jul-2020 | Diego Palacios | Los Angeles FC | Ecuador | 12-Jul-1999 | 21(3) |
| 17-Jul-2020 | Erik Sorga | DC United | Estonia | 08-Jul-1999 | 21(10) |
| 21-Jul-2020 | Matthew Real | Philadelphia Union | United States | 10-Jul-1999 | 21(12) |
| 20-Jul-2020 | Thomas Hasal | Vancouver Whitecaps | Canada | 09-Jul-1999 | 21(12) |
MD = Match date,
DOB = Date Of Birth,
A(D) = Age(Days).