Manchester United's shock 2-1 defeat to PSV Eindhoven at the Phillips Stadion on Tuesday night, was compounded by an horrific injury to left-back Luke Shaw.
The incident happened after Shaw had made one of his patented offensive surges into the opposition penalty area, and when almost clean through, was met by the challenge of PSV defender, Hector Moreno.
The Mexican - himself having suffered a broken leg in the past - slid in, to cut the ball out, but in doing so utilised his full body weight into the tackle, with Shaw's trailing leg caught in the full-blooded challenge. After several minutes treatment, Shaw was carried from the field aided by oxygen, with early diagnoses of a double-leg fracture.
Lengthy injury absence?
Such injuries have led players to miss up to 18 months out of action. Arsenal's Aaron Ramsey and Eduardo in particular, took 13 and 16 months respectively to make a return to full action.
It is concerning for the freak nature of the injury, but Manchester United boss Louis Van Gaal is offering up hope his absence will not be as lengthy.
Van Gaal stated that he is "not a doctor" so "cannot say", before adding "When you have a double fracture it is four to six months. But you can never say that in advance."
"He won't play in the group stage, I don't think. I hope he will play again this season."
Huge blow for United
The injury is a huge setback to United and Louis Van Gaal, who have been a revitalised unit, with Shaw arguably having been The Red Devils' best player so far this campaign.
The long-term absence of Shaw will mean the likely inclusion of Argentine Marcos Rojo in his position, or see Rojo drop into the left centre-back role, with Daley Blind switching to left-back. But considering the relative in-effectiveness of this set-up last term, Louis Van Gaal has a potential headache on his hands.