United will meet Leeds United later today, with a squad of 29 players being named by manager Ruben Amorim.
Andre Onana and Joshua Zirkzee have remained in Manchester for treatment on slight knocks and are expected to join the squad for USA leg of their preseason tour.
Also in the squad is Bendito Mantato, with the teenage winger signing a new deal earlier this summer.
THE SQUAD IN FULL:
Goalkeepers: Altay Bayindir, Tom Heaton, Dermot Mee.
Defenders: Diogo Dalot, Noussair Mazraoui, Matthijs de Ligt, Harry Maguire, Patrick Chinazaekpere Dorgu, Leny Yoro, Luke Shaw, Ayden Heaven, Diego Leon, Tyler Fredricson, Reece Munro, Godwill Kukonki.
Midfielders: Mason Mount, Bruno Fernandes, Casemiro, Manuel Ugarte, Kobbie Mainoo, Jack Fletcher, Sekou Kone, Toby Collyer.
Forwards: Rasmus Hojlund, Matheus Cunha, Amad, Chido Obi, Ethan Williams, Bendito Mantato.