John Obi Mikel made a cameo appearance as Chelsea beat Arsenal 2- 0&nbsp; in a London derby on Saturday afternoon.<br /><br />With the three point secured, manager Jose Mourinho introduced the defensive midfielder two minutes into stoppage time as a replacement for Cesc Fabregas.<br /><br />Saturday<span class="body1">&rsquo;s appearance at Stamford Bridge was Mikel</span><span class="body1">&rsquo;s 62nd game as substitute in the Premier League </span>since he debuted in the 2006 - 2007 season.<br /><br />Kurt Zouma opened scoring for the defending champs 8 minutes out of intermission before Eden Hazard<span class="body1">&rsquo;s injury time strike.<br /><br />The victory against Arsenal has brought Chelsea</span><span class="body1">&rsquo;s points total to 7 points and 10th position in the provisional standings.<br /><br />Photo Credit : Twitter.com<br /></span><br /><br />