The first formal international window after the FIFA 2022 World Cup will unfold from March 20-28.
Which first-team players from across Major League Soccer will feature, either in friendlies or continental competitions like Nations League?
This story will be updated on a continual basis. Injured call-ups are removed.
Atlanta United
- Luis Abram (D, Peru)
- Thiago Almada (M, Argentina)
- Machop Chol (F, South Sudan)
- Derrick Etienne Jr. (F, Haiti)
- Ronald Hernández (D, Venezuela)
- Giorgos Giakoumakis (F, Greece)
- Miles Robinson (D, USA)
Austin FC
- Leo Väisänen (D, Finland)
- Owen Wolff (M, USA U-20)
Charlotte FC
- Karol Swiderski (F, Poland)
Chicago Fire FC
- Miguel Navarro (D, Venezuela)
- Sergio Oregel Jr. (M, USA U-19)
FC Cincinnati
- Marco Angulo (M, Ecuador)
- Júnior Moreno (M, Venezuela)
Colorado Rapids
- Diego Rubio (F, Chile)
- Darren Yapi (F, USA U-20)
Columbus Crew
- Miloš Degenek (D, Australia)
- Eloy Room (GK, Curaçao)
- Lucas Zelarayán (M, Armenia)
FC Dallas
- Antonio Carrera (GK, USA U-20)
- Nolan Norris (D, USA U-19)
D.C. United
- Kristian Fletcher (F, USA U-19)
- Victor Pálsson (M, Iceland)
Houston Dynamo FC
- Adalberto Carrasquilla (M, Panama)
- Juan Castilla (M, Colombia U-20)
- Xavier Valdez (GK, Dominican Republic U-20)
Inter Miami CF
- Edison Azcona (M, Dominican Republic)
- Josef Martínez (F, Venezuela)
- Robert Taylor (M, Finland)
LAFC
- Dénis Bouanga (F, Gabon)
- José Cifuentes (M, Ecuador)
- Denil Maldonado (D, Honduras)
- Diego Palacios (D, Ecuador)
LA Galaxy
- Marcus Ferkranus (D, USA U-20)
- Dejan Joveljić (F, Serbia)
- Kelvin Leerdam (D, Suriname)
- Eriq Zavaleta (D, El Salvador)
Minnesota United FC
- Kervin Arriaga (M, Honduras)
- Michael Boxall (D, New Zealand)
- Bongokuhle Hlongwane (F, South Africa)
- Kemar Lawrence (D, Jamaica)
- Robin Lod (M, Finland)
- Joseph Rosales (M, Honduras)
- Dayne St. Clair (GK, Canada)
CF Montréal
- Romell Quioto (F, Honduras)
- Róbert Thorkelsson (D, Iceland U-21)
New England Revolution
- Dylan Borrero (F, Colombia)
- Christian Makoun (D/M, Venezuela)
New York Red Bulls
- Cory Burke (F, Jamaica)
- Cristian Cásseres Jr. (M, Venezuela)
- Steven Sserwadda (M, Uganda)
New York City FC
- Maxime Chanot (D, Luxembourg)
- Mitja Ilenič (D, Slovenia U-19)
Orlando City SC
- Wilder Cartagena (M, Peru)
- Alexander Freeman (D, USA U-19)
- Michael Halliday (D, USA U-20)
- Pedro Gallese (GK, Peru)
- Favian Loyola (M, USA U-19)
- Facundo Torres (F, Uruguay)
- Thomas Williams (D, USA U-20)
Philadelphia Union
- Brandan Craig (D, USA U-20)
- Dániel Gazdag (M, Hungary)
- Damion Lowe (D, Jamaica)
- José Martínez (M, Venezuela)
- Jack McGlynn (M, USA U-20)
- Richard Odada (M, Kenya)
- Quinn Sullivan (M, USA U-20)
Portland Timbers
- Juan David Mosquera (D, Colombia)
Real Salt Lake
- Gavin Beavers (GK, USA U-19)
- Diego Luna (F, USA U-20)
- Braian Ojeda (M, Paraguay)
- Rubio Rubin (F, Guatemala)
San Jose Earthquakes
- Jamiro Monteiro (M, Cape Verde)
- Miguel Trauco (D, Peru)
Seattle Sounders FC
- Xavier Arreaga (D, Ecuador)
- Reed Baker-Whiting (D/M, USA U-19)
- Nouhou (D, Cameroon)
- Alex Roldan (D, El Salvador)
- Raúl Ruidíaz (F, Peru)
- Obed Vargas (M, USA U-20)
Sporting Kansas City
- Marinos Tzionis (F, Cyprus)
St. Louis CITY SC
- Kyle Hiebert (D, Canada)
- Miguel Perez (M, USA U-19)
Toronto FC
- Ayo Akinola (F, Canada)
- Mark-Anthony Kaye (M, Canada)
- Richie Laryea (D, Canada)
- Jonathan Osorio (M, Canada)
- Tomás Romero (GK, El Salvador)
Vancouver Whitecaps FC
- Javain Brown (D, Jamaica)
- Andrés Cubas (M, Paraguay)