Aris Thessaloniki midfielder Chigozie Udoji has been omitted from the list of 19 players summoned by manager Zoran Milinković for Thursday&rsquo;s Cup clash against Olympiakos Volos.<br /><br />For most part of last week, the 27 - year has been struggling with a knee complaint but was patched up for the league match with Skoda Xanthi.<br /><br />Udoji did not train with the full squad on Wednesday after suffering a relapse of the knee injury. Instead, he had an individual session with the club physios.<br /><br />Included in the preliminary roster for the trip to Volos is Nigerian midfielder John Ibeh.<br /><br />Ibeh featured for 90 minutes in the 2 - 0 loss to Skoda Xanthi on Monday.<br /><br /><br />