The Czech midfielder's agent confirms that he will be sidelined for another four-to-eight weeks after undergoing knee surgery, having picked up the problem in June.
Arsenal midfielder Tomas Rosicky has been ruled out for up to two months after undergoing knee surgery, his agent has confirmed.
The Czech has been sidelined since June after suffering a knee problem while on international duty and was expected to return to full training later in August.
Rosicky, 34, now looks set to miss at least another four weeks after undergoing a procedure on his knee.