The Christmas period is a bruising one for clubs and the congested fixture lists can really take their toll on squads in the form of injuries.
Players being struck down is par for the course for any club, but it is nearly impossible for a manager to account for losing one of his most important players for a significant period.
Any leading club needs a large squad these days, with the numerous competitions making fatigue a real issue, which in turn can affect the likelihood of picking up injuries.
Every team suffers when one of their best players gets injured because almost no teams can replace them with someone at a similar level.
With this in mind, GMS looked at some of the injuries currently suffered across Europe and picked those we thought were the most damaging for their clubs.
Click to start the slideshow and see the who they are...