Racing PositionsRosicky: Wenger helped me through injury hell2YMattias KarenEx-Arsenal midfielder Rosicky retires3YStephan UersfeldSparta Prague's Rosicky ruled out for season4YAssociated PressRosicky's Sparta return delayed until 20174YAssociated PressRosicky warmly welcomed in Prague return4YAssociated PressRosicky rejoins Sparta on free transfer4YAssociated PressArsenal release Arteta, Rosicky and Flamini5YMattias KarenCzech Republic's Rosicky out of Euros5YESPN staffCzech Republic's Rosicky awaits scan5YAssociated PressTomas Rosicky keen to leave a legacy with Czech Republic vs. Croatia5YNick Ames