<b>Allnigeriasoccer.com</b> understands that Porto&rsquo;s Mikel Agu returned to Portugal on Sunday, June 26 after training with the Dream Team VI, and was absent from the workout held at the National Stadium on Monday morning.<br /><br />The central midfielder has been ruled out of the Olympic Games, with Porto ordering him to return to the club so he can participate in pre-season training. <br /><br />Meanwhile, CS Sfaxien star Junior Ajayi and Belgian-based midfielder Sodiq Popoola trained for the first time with the Nigeria U23s this morning, having arrived the training camp this past weekend.<br /><br />Barring any last minute change, the squad will not train on Monday evening but are scheduled to have a workout tomorrow morning before their departure to the United States for a get-together. <br /><br />The last batch of players will leave for Atlanta on Wednesday, June 29.<br /><br />Ifeanyi Emmanuel <br /><br />Photo Credit : www.hsmporto.pt <br />