Pedro Neto (Portugal)
The 22-year-old Wolverhampton Wanderers winger will undergo surgery on an ankle injury sustained against West Ham United in October.
Boubacar Kamara (France)
The Aston Villa midfielder suffered a knee ligament injury in September that will keep him out until after the World Cup.
Arthur Melo (Brazil)
Liverpool's on-loan midfielder picked up a muscle injury in the build-up to a Champions League clash with Rangers in October.
