Manager Arsène Wenger of Arsenal can take four to six weeks do not have attacker Alexandre Lacazette.
The French international has made Tuesday morning a surgery on his left knee undergo.
The 26-year-old Lacazette since last summer for the club from London. He made more than 50 million switch from Olympique Lyon.
Lacazette is with Mesut Özil, Pierre-Emerick Aubameyang and Henrikh Mkhitaryan a feared aanvalsduo for The Gunners.