Tottenham star Son Heung-min had to be taken off after clashing heads with Chancel Mbemba in the first half during the 2-1 win against Marseille.
The 30-year-old is now a doubt for the huge Premier League clash against Liverpool this weekend after he was substituted for Yves Bissouma in the 29th minute. Spurs are yet to find out the full extent of Son's injury, but it was clear to see that the forward was in discomfort as he exited the pitch.
Mbemba was able to continue and opened the scoring for the Ligue 1 side with a powerful header past Hugo Lloris on the stroke of half-time. Clement Lenglet brought the Lilywhites back level in France with a header of his own before a late strike from Pierre-Emile Hojbjerg sealed a dramatic comeback win for Spurs as they finished top of the group following a brilliant second half performance.
