Cologne forward Davie Selke has broken his left foot again and will miss the remaining season matches of the relegation threatened Bundesliga club.
Selke sustained the injury in Saturday's 2-1 victory over fellow strugglers Bochum and was substituted.
He suffered the same fate in January and Cologne said in a statement on Monday he would now undergo an operation which will sideline him for the last six matches.
Cologne are second bottom which would mean a direct drop into the second division. Mainz in the relegation play-off spot are one point ahead of them, and Bochum in safe 15th another three points above.