<b>Allnigeriasoccer.com </b>understands that Watford striker Odion Ighalo is currently undergoing a medical in London ahead of his proposed move to Changchun Yatai.<br /><br />The Nigeria international has already reached an agreement in principle with the Chinese Super League club, but has not yet appended his signature to the contract.<br /><br />Ighalo and his intermediary have informed Changchun Yatai to make some amendments to the contract before he signs on the dotted line. <br /><br />The former Udinese, Lyn Oslo and Granada man was also courted by West Brom in the January transfer window, but Changchun Yatai beat them to his signature. <br /><br />Ifeanyi Emmanuel<br />