Coach Samson Siasia has invited three foreign - based professionals for the All African Games return leg tie against Zambia in Lusaka in 12 days time. <br /><br />FC Midtjylland loanee Paul Onuachu, Osmanlispor striker Aminu Umar and Atanda Sodiq Ololade of FK Apollonia, Albania have all been summoned for a training camp in Abuja.<br /><br />The chosen professionals must arrive the team<span class="&quot;body1&quot;">&rsquo;</span>s Febson Hotel camp latest Monday, April 6 or risk being dropped from the squad that will travel to East Africa.<br /><br />Meanwhile, Flying Eagles skipper Musa Mohammed, Taiwo Awoniyi, Dele Alampasu and Mustapha Abdullahi will start training with the Nigeria Under 23s on Thursday.<br /><br />Bernard Bulbwa is thrashing out terms with Esperance in Tunis, and will join the team next Monday.<br />