Tomas Rosicky feels he could struggle to be fit in time for Arsenal´s pre-season training schedule.
The Czech Republic international, 27, played his last game for the Gunners in the FA Cup tie against Newcastle on January 26 before a knee problem would eventually rule him out for the rest of the season and also Euro 2008.
"It will be a long time before I return, but at the start of the new season - some time in August - I will hopefully start training," Rosicky told Czech News Agency CTK.
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