Five United players are being called up by their national teams for international play from Sunday through March 26.
Defender Francisco Calvo plays for Costa Rica on March 22 vs. Guatemala and on March 26 vs. Jamaica.
Midfielder Jan Gregus plays for Slovakia in UEFA Euro qualifiers vs. Hungary on March 21 and Wales on March 24.
Midfielder Rasmus Schuller plays for Finland in Euro qualifiers against Italy on March 23 and Armenia on March 26.
Midfielder/forward Romario Ibarra plays for Ecuador vs. the U.S. national team in Orlando on March 21 and vs. Honduras on March 26.
Defender Romain Metanire plays in an African Cup of Nations qualifier vs. Senegal on March 22.
Californian Miguel Ibarra had hopes he'd be called up for the U.S. national team camp but wasn't among the 24 players summoned as the team heads toward Gold Cup play this summer that will bring it to Allianz Field in June.