Paul Arriola’s departure has left the USMNT with 22 players in camp. (Photo courtesy of MLS)

Midfielder Paul Arriola has departed U.S. men’s national camp and rejoined D.C. United for a Wednesday home game, reducing the training camp roster to 22 players, it was announced Monday.

With the U.S. dressing 20 players for Tuesday’s match against Mexico in Nashville, Tenn., the 23-year-old winger will not be replaced. Gametime is 8:30 p.m. ET (ESPN, Univision).

U.S. roster (club; caps/goals)

GOALKEEPERS (3) : Alex Bono (Toronto FC/CAN; 1/0), Ethan Horvath (Club Brugge/BEL; 2/0), Zack Steffen (Columbus Crew SC; 4/0)

DEFENDERS (8) : Cameron Carter-Vickers (Swansea City/WAL; 4/0), Eric Lichaj (Hull City/ENG; 15/1), Aaron Long (New York Red Bulls; 0/0), Matt Miazga (Nantes/FRA; 8/1), Shaq Moore (Reus Deportiu/ESP; 2/0), Tim Parker (New York Red Bulls; 2/0), Antonee Robinson (Wigan Athletic/ENG; 3/0), DeAndre Yedlin (Newcastle United/ENG; 53/0)

MIDFIELDERS (8) : Kellyn Acosta (Colorado Rapids; 18/1), Tyler Adams (New York Red Bulls; 6/0), Marky Delgado (Toronto FC/CAN; 2/0), Julian Green (Greuther Fürth/GER; 11/4), Weston McKennie (Schalke/GER; 5/1), Cristian Roldan (Seattle Sounders FC; 4/0), Wil Trapp (Columbus Crew SC; 670), Tim Weah (Paris Saint-Germain; 4/1)

FORWARDS (3) : Andrija Novakovich (Fortuna Sittard/NED; 2/0), Bobby Wood (Hannover 96/GER; 40/12), Gyasi Zardes (Columbus Crew SC; 39/6)