United States international Joe Gyau will need a second surgery on his left knee, the player revealed on Friday.
Gyau, 22, tore his meniscus during a friendly with the U.S. against Ecuador on Oct. 10. He was on track to return this month but is now set for a longer spell on the sideline.
Borussia Dortmund II coach David Wagner told Ruhr Nachrichten that Gyau could be out for the rest of the season.
The midfielder wrote on Instragram that he was heartbroken to hear the news from his doctor: