The U.S. striker could make his Bundesliga debut this weekend against Schalke, but team captain Clemens Fitz says there will be an adjustment period for the 24-year-old.
U.S. international Aron Johannsson made a huge splash in the American soccer world when he signed with Bundesliga side Werder Bremen earlier this month.
But don't expect much from the former AZ Alkmaar striker at first as he adjusts from playing in the Netherlands to playing in Germany's top flight, says Bremen captain Clemens Fritz.
"I believe that you have to allow him a bit of time to settle.