The 23-year-old center back picked up a knee bruise with his club team and appears doubtful for Hertha's match against Borussia Monchengladbach on Sunday.
Hertha Berlin sporting director Michael Preetz has hit out as U.S. Soccer's treatment of recently-injured center back John Brooks.
Brooks picked up a knock in Hertha's win over Ingolstadt on March 19, and departed for international duty the next day.
Prior to the USA's 2-0 loss at Guatemala on Friday night, U.S. Soccer announced that Brooks was forced to return to Berlin with what it called a "left knee contusion.