Inter Milan goalkeeper Yann Sommer has successfully undergone surgery on a thumb injury, and will be out for around a month recovering.This according to today’s print edition of Milan-based

Inter Milan goalkeeper Yann Sommer is set to miss a series of key matches, including next week's showdown with Serie A title rivals Napoli, after going under the knife for a fracture in his right thumb.

The goalkeeper suffered a fractured thumb in training on Thursday and immediately underwent surgery. On Friday evening, Inter reported that the operation had been successful and that Sommer 's rehab would begin on Monday. It's been suggested Sommer will be missing for at least three weeks.