Aris Thessaloniki attacking midfielder Chigozie Udoji faces a spell on the sidelines after injuring his groin in the 3 - 1 loss to PAOK on Sunday. <br /><br />The 27 - year - old, who was on the score-sheet against their neighbors just before the hour mark, had to be substituted in the 82nd minute due to the complaint.<br /><br />He will undergo further tests later today to determine whether he needs to undergo surgery, rest the complaint or continue to play with the ailment.<br /><br />Though Aris are swimming in relegation waters, Chigozie Udoji has been imperious, with four goals in his last five matches in the Super League.<br /><br />Aris are on the brink of bankruptcy except they get cash injection to improve their balance sheet in the coming weeks.<br /><br />&nbsp;<br />