Ahead of West Ham&rsquo; Premier League clash against Chelsea at Boleyn Ground on Saturday,&nbsp; manager Slaven Bilic has admitted that the absence of Victor Moses is a big blow for his side.<br /><br />The creator is not eligible to face the champions as the English FA does not permit players on loan to feature competitively against their parent clubs.<br /><br /><span class="body1"><span class="body1"><span class="body1"><span class="body1">&ldquo;Compared to the Palace game we are without Victor Moses of course, it&rsquo;s a big blow for us but we knew that when we signed him, </span></span></span></span><span class="body1"><span class="body1"><span class="body1"><span class="body1"><span class="body1"><span class="body1"><span class="body1">&rdquo;says </span></span></span></span></span></span></span>Slaven Bilic at Thursday<span class="body1"><span class="body1"><span class="body1"><span class="body1">&rsquo;s</span></span></span></span> press conference. <br /><br />Moses has been included in the Hammers starting XI 5 times since he completed his season - long loan move from Chelsea.<br /><br />Photo Credit : whufc.com<br />