After several days of denial and misleading the public, Acad&eacute;mica de Coimbra midfielder John Ogu has finally admitted to being injured. <br /><br />The 24 - year - old Nigeria international claimed he had minor knee surgery on Thursday evening.<br /><br />His participation at the Fifa Confederations Cup in June is now hanging in the balance. It has been reported that Ogu will be out of action for a maximum of two weeks.<br /><br /><i>Allnigeriasoccer.com </i>interviewed some of Nigeria's foreign based professionals and they have suggested that it might take up to two months before a player operated on can regain full fitness.<br /><br />John Ogu is not new to controversies. About three years ago, he agreed to join Belgian club FC Eupen. <br /><br />After his unveiling he disappeared into thin air. It took the intervention of football's regulator Fifa before he could resume his career months later.<br /><br />Investigations revealed that John Ogu, who was then managed by ex Genoa striker Marshall Mbre, had been promised a better deal by another agent.&nbsp; <br /><br />Consequently, he unprofessionally reneged on the agreement he struck with Eupen and Union St Gillis.<br /><br />It was a big slap on the face of highly respected agent Marshall Mbre, who had spent his personal funds inviting European scouts to Slovenia to watch John Ogu in action for Drava Ptuj.<br /><br /><br /><br /><br /><br /><br />