Isaac Success will not make his competitive debut for Watford<span><span> in tomorro</span></span><span><span>w</span></span><span><span>&rsquo;s clash against Southampton in the Premier League.<br /><br /><b>Allnigeriasoccer.com</b> has been informed that manager </span></span><span><span> Walter Mazzarri has omitted the Nigeria youth international from the traveling party to </span></span><span class="_Xbe">SO14 5FP , with the attacker failing a late fitness test.<br /><br />Success picked up muscular injury in the Hornets last pre-season fixture against French Ligue 1 side FC Lorient at Vicarage Road last weekend. <br /><br />Watford medics have informed him to rest the injury in preparation for next Saturday</span><span><span>&rsquo;s league match with Chelsea at the Vic.<br /><br />Nigeria international Odion Ighalo and Scotland wing-back Ikechi Anya are both available for selection. <br /><br />Ifeanyi Emmanuel <br /></span></span>