Borussia Monchengladbach striker Mike Hanke has undergone groin surgery in a bid to clear a long-standing problem before the start of the season.
According to a club statement, the operation was successful and Hanke will be sidelined for several weeks.
The 28-year-old will now work on recovering in time for the start of the season on
Hanke scored eight goals for the Foals last season, helping them earn a place in the UEFA Champions League.
Hamburger SV has parted ways with sports director Frank Arnesen by "mutual agreement" with immediate effect.