The 17-year-old was among 26 players to receive an invite from head coach Raphael Wicky for a training camp that will convene in Carson, Calif. on Friday.
De Vries was last with the team for the CONCACAF U17 Championship.
He’s made three appearances this season for Bethlehem Steel FC and had six goals last season in the Development Academy season while splitting time between the U17 and U19 teams. His golazo in the regular season finale for the Union U19s was voted a Development Academy top play.
GOALKEEPERS (4): Aaron Cervantes (Orange County Soccer Club; Chino Hills, Calif.), Bryan Dowd (FC United; Willow Springs, Ill.), Damian Las (Chicago Fire; Norridge, Ill.), Seth Wilson (FC Dallas; Frisco, Texas)
DEFENDERS (10): Axel Alejandre (FC United; Chicago, Ill.), Sebastian Anderson (Colorado Rapids; Highlands Ranch, Colo.), Adam Armour (North Carolina FC; Cary, N.C.), Nicolas Carrera (FC Dallas; Frisco, Texas), Mauricio Cuevas (LA Galaxy; Los Angeles, Calif.), Tayvon Gray (New York City FC; Bronx, N.Y.), Kobe Hernandez (LA Galaxy; Los Angeles, Calif.), Mason Judge (Eintracht Frankfurt/GER; Tampa, Fla.), Joshua Ramsey (Solar Soccer Club; Plano, Texas), Jonathan Tomkinson (Norwich City FC/ENG; Plano, Texas)
MIDFIELDERS (6): Maximilian Dietz (SC Freiburg/GER; Frankfurt, Germany), Ethan Dobbelaere (Seattle Sounders FC; Seattle, Wash.), Gilbert Fuentes (San Jose Earthquakes; Tracy, Calif.), Bryang Kayo (D.C. United; Poolesville, Md.), Daniel Leyva (Seattle Sounders FC; Las Vegas, Nev.), Adam Saldana (LA Galaxy; Panorama City, Calif.)
FORWARDS (6): Jack de Vries (Philadelphia Union; Wayne, Pa.), Tyler Freeman (Sporting Kansas City; Shawnee, Kan.), Andres Jasson (New York City FC; Greenwich, Conn.), Noah Jones (RB Leipzig/GER; Berlin, Germany), Alfonso Ocampo-Chavez (Seattle Sounders FC; Kent, Wash.), Griffin Yow (D.C. United; Clifton, Va.)