Tasnim - Iranian striker of FC Rostov Sardar Azmoun underwent nasal surgery in Munich, Germany on Wednesday.

The international striker had a combination of a deviated septum and nasal polyps.

It caused him breathing problems.

The Russian Premiere League took a three-month winter break from mid-December until mid-March.

The 21-year-old striker joined FC Rostov for the rest of the season in February 2014 and extended his contract for one year more.