Alex Iwobi took to social media to celebrate Arsenal&rsquo;s qualification for the quarterfinals of the FA Cup at the expense of Hull City on Tuesday night.<br /><br />The number 45,who had one of his best games in a Gunners shirt,extended his thanks to the fans who made the journey to <span class=\"_Xbe\">HU3 6HU and hailed the impact of Olivier Giroud, who notched a brace a day after the birth of his son, Evan.<br /><br /></span>&ldquo;Good win , the fans were amazing and congrats to @_OlivierGiroud_ on his newborn baby &#9996;&#127997;&#65039;,&rdquo;Iwobi wrote.<br /><br />For only the second time in his Arsenal career, the Nigeria international went the distance in a competitive fixture.<br /><br />The defending champion&rsquo;s reward for the 4-0 hammering of the Tigers is a meeting with Odion Ighalo&rsquo;s Watford on Sunday at the Emirates in the last eight. <br /><br /><b>Igho Kingsley</b><br /><br />Photo Credit : arsenal.com<br />