Cologne forward Lukas Podolski has been ruled out for up to a month with a foot injury.
The German was found to have broken a bone in his left foot after his side's 4-1 defeat against Schalke on Saturday.
"The scan found signs of an old injury to Podolski, and a bone in his left foot is broken again," read a statement on Cologne's official website.
"Lukas will not be available to the Cologne first team for three to four weeks."
It was recently reported that Arsenal had failed with an £8m bid for the 26-year-old.