A collapsed lung, also known as a pneumothorax, occurs when air gets into the chest cavity. Reuter said the suspicion was that Herrlich was injured while coughing at night and that he was receiving inpatient treatment.
Augsburg is hoping to build on an impressive start to the season, winning both of its opening league games, including a surprise 2-0 victory over Borussia Dortmund last week. No caretaker coach has yet been chosen. Reuter said Herrlich will “discuss with his assistant coaches about who will be on the sideline on Sunday."
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