Nigeria international John Ogu has returned to Portugal and was involved in Acad&eacute;mica de Coimbra's training session on Thursday.<br /><br />The Primeira Liga outfit started preparations for the new season on July 8 without the 25 - year - old midfielder, whose holiday was extended after he represented the national team at the Fifa Confederations Cup.<br /><br />Today, Acad&eacute;mica's training was held behind closed doors, with the players working out at the gym.<br /><br />John Ogu's contract with Acad&eacute;mica runs out in the summer of 2015.<br /><br />Last season, he made 20 appearances (11 starts) in the Portuguese championship.<br /><br /><br />