Kaku will play for Paraguay at Serbia and Slovakia next week. (Keith Furman/FrontRowSoccer.com Photo)

HARRISON, N.J. – Six Red Bulls players will be in action with their national teams during the October international window.

Kaku, Kemar Lawrence and Aaron Long will all join their senior national teams, while Omir Fernandez, Kyle Duncan and Cristian Casseres Jr. will represent their Under-23 squads.

All players will depart to join their national teams following the Red Bulls’ match in Montreal Sunday, Oct. 6. The MLS playoffs will begin the weekend of Oct. 19-20, following the conclusion of the international break.

Kaku will rejoin Paraguay for two matches, taking visiting Serbia Oct. 10 and Slovakia in Sunday, Oct. 13. Kaku has been a consistent call-up for Paraguay since making the one-time switch to La Albirroja in May 2018. Kaku has earned three caps.

Lawrence, a first-choice defender for Jamaica since 2015, will join the Reggae Boyz for two Concacaf Nations League matches against Aruba, in Jamaica Oct. 12 and in Curaçao Oct. 15. Jamaica sits atop League 1 Group C with wins over Guyana and Antigua and Barbuda.

Long and the U.S. men’s national team start their Concacaf Nations League campaign with matches against Cuba and Canada in League 1 Group A play. The USMNT hosts Cuba in Washington, D.C. Oct. 11 and faces Canada in Toronto Oct. 15. Long has 13 caps, most recently starting both the U.S.’s September friendlies against Uruguay and Mexico.

Two Red Bulls Academy products, Fernandez and Duncan, will join the U.S. men’s U-23 camp from Oct. 7-15 under U-23 head coach Jason Kreis. Fernandez and Duncan participated in a similar U-23s camp in September.

Casseres Jr. will head in with the Venezuela U-23 squad for matches against Brazil Oct. 7 and Bolivia Oct/ 16. Casseres Jr., 19, has progressed through Venezuela’s youth national teams, featuring at the U-20 CONMEBOL Championships earlier this year.