Arsenal midfielder Tomas Rosicky is facing a lengthy spell on the sidelines after undergoing surgery on his knee, his agent has confirmed.
The 34-year-old suffered the injury during the Czech Republic's Euro 2016 qualifier against Iceland in June.
He failed to feature in any of Arsenal's pre-season preparations and was also left out of the squad for the Community Shield victory over Chelsea as well as their opening Premier League game against West Ham.
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Now his agent, Pavel Paska, has confirmed that the reason is because Rosicky had to undergo surgery on the troublesome knee problem.
Paska said, according to Sky Sports: "[Rosicky] underwent an arthroscopic surgery on his knee on August 4. The recovery is expected to take four to eight weeks."
Rosicky joins Jack Wilshere on the sidelines after the England international suffered a hairline fracture in his right fibula following a heavy challenge from Arsenal defender Gabriel in training.
Wilshere is also expected to take anywhere between four to eight weeks to recover, but did not require surgery on the injury.
Arsenal fans are used to seeing their stars suffer myriad injuries, but were hopeful that those days were coming to an end after fitness expert Shad Forsythe arrived from the German national team.
But Wilshere and Rosicky have both suffered a number injuries during their Arsenal career with the Czech Republic international spending almost 18 months on the sidelines with a number of issues.
He also missed six months in 2012 after undergoing surgery on a damaged achilles tendon. This latest injury is likely to be less of a blow to Arsene Wenger as Rosicky has moved down the pecking order at the Emirates.