Speaking after the game, Glasner told BBC Sport: "[Mateta] is conscious and he is in hospital. His ear looks terrible. It's a very serious injury so we hope all the best for him. We are not really happy, we can't be really happy. Of course, it's a great win into the quarter-finals but when you lose a player, especially with a foul like this, you have two different feelings in your stomach.
"Honestly, I didn't want to see it, I just watched it and it is terrible. I'm sure the goalkeeper didn't want to injure JP in this situation, no player wants this. But if you go to the ball with this with this intensity, with the foot at that height, you can't do it because it's so dangerous and we all have responsibilities for our health. I don't want to blame him but it is a terrible foul."