Swansea boss Michael Laudrup was disappointed to see both Wilfried Bony and Angel Rangel limp off during their defeat to Valencia.
Swansea's skipper for the night Leon Britton admits his side are still learning about the complexities of competing in Europe.
Swansea still need to get a point in Switzerland in their final game after this loss.
SHOT - Vazquez
A Shelvey cross drops at the Spanish striker's feet, but his effort is cleared off the line. So close for Swansea.
YELLOW - Shelvey
The mighty bald one gets booked for a little nudge on Piatti.
SUB - Valencia (Canales off/Fuego on)
Here comes the fire.
SUB - Valencia (Jonas off/Postiga on)
The Spurs legend is on.
YELLOW - Parejo
Now the goalscoring is cautioned for cleaning out Rangel.
SUB - Valencia (Feghouli off/Piatti on)
The diminutive playmaker joins the party.