| MD | Players | Clubs | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 29-Jul-2018 |  Ganluca Busio | Sporting Kansas City | United States | 28-May-2002 | 16(62) |
| 03-Sep-2018 | George Bello | Atlanta United | United States | 22-Jan-2002 | 16(224) |
| 21-Oct-2018 | Gilbert Fuentas | San Jose Earthquakes | United States | 21-Feb-2002 | 16(242) |
| 29-Oct-2018 | Simon Colyn | Vancouver Whitecaps | Canada | 23-Feb-2002 | 16(248) |
| 09-Sep-2018 | Cole Bassett | Colorado Rapids | United States | 28-Jul-2001 | 17(43) |
| 04-Mar-2018 | Alphonso Davies | Vancouver Whitecaps | Canada | 02-Nov-2000 | 17(122) |
| 15-Jul-2018 | Jesus Ferreira | FC Dallas | United States | 24-Dec-2000 | 17(203) |
| 11-Mar-2018 | Andrew Carleton | Atlanta United | United States | 22-Jun-2000 | 17(262) |
| 14-Apr-2018 | Julian Dunn-Johnson | Toronto FC | Canada | 11-Jul-2000 | 17(277) |
| 11-Mar-2018 | Benjamin Mines | New York Red Bulls | United States | 13-May-2000 | 17(302) |
| 04-Mar-2018 | Christopher Durkin | DC United | United States | 08-Feb-2000 | 18(25) |
| 06-Sep-2018 | James Sands | New York City | United States | 06-Jul-2000 | 18(62) |
| 04-Jun-2018 | Jaylin Lindsey | Sporting Kansas City | United States | 27-Mar-2000 | 18(69) |
| 18-Mar-2018 | Paxton Pomykal | FC Dallas | United States | 17-Dec-1999 | 18(92) |
| 04-Mar-2018 | Anthony Fontana | Philadelphia Union | United States | 14-Oct-1999 | 18(142) |
| 05-Jul-2018 | Ayo Akinola | Toronto FC | Canada | 20-Jan-2000 | 18(167) |
| 03-Jun-2018 | Shaft Brewer | Los Angeles FC | United States | 28-Oct-1999 | 18(219) |
| 30-Aug-2018 | Cristian Casseres Jr | New York Red Bulls | Venezuela | 20-Jan-2000 | 18(223) |
| 06-Sep-2018 | Isaac Angking | New England Revolution | United States | 24-Jan-2000 | 18(226) |
| 04-Mar-2018 | Handwalla Bwana | Seattle Sounders | Kenya | 25-Jun-1999 | 18(253) |
| 01-Apr-2018 | Matthew Real | Philadelphia Union | United States | 10-Jul-1999 | 18(266) |
| 11-Mar-2018 | Tyler Adams | New York Red Bulls | United States | 14-Feb-1999 | 19(25) |
| 14-Apr-2018 | Mark McKenzie | Philadelphia Union | United States | 25-Feb-1999 | 19(48) |
| 05-Mar-2018 | Marco Farfan | Portland Timbers | United States | 12-Nov-1998 | 19(113) |
| 22-Apr-2018 | Pablo Ruiz | Real Salt Lake | Argentina | 20-Dec-1998 | 19(123) |
MD = Match date,
DOB = Date Of Birth,
A(D) = Age(Days).