Real Sociedade will almost certainly be without a key player for the Real Madrid clash

Recently, Real Sociedade has been unlucky with injuries. Just last weekend, Hamari Traore tore his ACL and Brais Mendez fractured the same metatarsal he injured last season. Those misfortunes were added with Mikel Oyarzabal.

Oyarzabal came on as a second-half substitute during Spain's goalless draw against Serbia on Thursday, but was injured during his cameo. Luis de la Fuente, coach of La Roja, confirmed that it didn't look good for the 27-year-old.

It was confirmed (via Relief) that Oyarzabal suffered a high-grade ankle sprain. He will miss Sunday's match against Switzerland, instead returning to Donostia-San Sebastian for further tests with La Real's medical staff.

As things stand, Oyarzabal will almost certainly be unavailable The Royal Society match next weekend, which is against Real Madrid in the Real Arena. His absence would be a big blow for Imanol Alguacil's side, who have scored just three times in their four La Liga games.