And for those wondering why players like Tim Weah, Josh Sargent, and Cameron Carter-Vickers weren't called up to the senior team, they're part of the U-23 camp as USSoccer has committed to make qualifying for the 2020 Olympics a priority.
Here is the full U-23 roster for the March camp.
GOALKEEPERS (2): Jonathan Klinsmann (Hertha BSC/GER; Newport Beach, Calif.), JT Marcinkowski (San Jose Earthquakes; Alamo, Calif.)
DEFENDERS (9): Julian Araujo (LA Galaxy; Lompac, Calif.), Cameron Carter-Vickers (Swansea City/WAL; Southend-on-Sea, England), Marco Farfan (Portland Timbers; Portland, Ore.), Jack Maher (Indiana; Caseyville, Ill.), Matthew Olosunde (Manchester United/ENG; Trenton, N.J.), Donovan Pines (D.C. United; Clarksville, Md.), Lucas Pos (FC Lausanne-Sport/SUI; Irvine, Calif.), Antonee Robinson (Wigan Athletic/ENG; Milton Keyes, England), Miles Robinson (Atlanta United FC; Arlington, Mass.)
MIDFIELDERS (6): Derrick Jones (Philadelphia Union; Philadelphia, Penn.), Cameron Lindley (Orlando City SC; Carmel, Ind.), Djordje Mihailovic (Chicago Fire; Lemont, Ill.), Keaton Parks (New York City FC; Plano, Texas), Eryk Williamson (Portland Timbers; Alexandria, Va.), Jackson Yueill (San Jose Earthquakes; St. Paul, Minn.)
FORWARDS (6): Jeremy Ebobisse (Portland Timbers; Bethesda, Md.), Josh Perez (LAFC; La Habra, Calif.), Emmanuel Sabbi (Hobro IK/DEN; Columbus, Ohio), Josh Sargent (Werder Bremen/GER; O'Fallon, MO), Tim Weah (Celtic FC/SCO; Rosedale, N.Y.), Haji Wright (Schalke/GER; Los Angeles, Calif.)