Cowell has been one of MLS’ breakthrough stories in 2021, with the 17-year-old homegrown registering four goals and four assists in 13 appearances for San Jose.
After making 22 appearances for New England last year, he has logged 12 appearances this season to help Bruce Arena’s team lead the Eastern Conference standings.
The USMNT topped Group B by winning consecutive games against Haiti, Martinique and Canada.