Real Madrid have announced a foot fracture for Aurelien Tchouameni.
The midfielder suffered a metatarsal injury during victory at Barcelona.
"Following tests carried out on our player Aurlien Tchouameni by the Real Madrid Medical Services, he has been diagnosed with an incomplete stress fracture of the second metatarsal of the left foot," said Madrid in a statement on Sunday.
Tchouameni is now facing 6-8 weeks on the sidelines.