Arsenal youngster Alex Iwobi will spend the next four weeks on the sidelines, according to various reports in the British press.<br /><br />In the second half of Arsenal<span><span><span><span><span>&rsquo;s opening day loss to Liverpool, the attacking midfielder had to be substituted after picking up a hip injury. <br /><br />Following further assessment by club medics, Iwobi will spend close to a month in the treatment room.<br /><br />Thus, the 20-year-old will be unavailable for Premier League games against Leicester City and Watford, but may be considered for the Gunners first match in September against Southampton. <br /><br />The Nigeria international was replaced by Oxlade-Chamberlain after 59 minutes at the Emirates on Sunday.<br /><br />Igho Kingsley <br /></span></span></span></span></span>