The form of Nigeria Under 23s invitees is giving coach Samson Siasia a selection headache ahead of the Africa U-23 Cup of Nations, which begins on November 28.<br /><br />The ex Nantes striker has started running the rule over 35 locally based players after the NFF responded positively to his cry for the release of these players.<br /><br />&ldquo;For now, all I can say is that I am very happy with what I have seen as the players came back from their club engagements fully refreshed and ready to do the nation proud,&rdquo; Siasia said to thenff.com.<br /><br />&ldquo;I must confess that selecting the 30 players who will be departing the shores of this country for Morocco is giving myself and my assistants real headache.<br /><br />&ldquo;But this is a positive headache which at the end of the day will enable us select only the best that will fly the nation&rsquo;s flag with gusto.&rdquo;<br /><br />Siasia will have to prune his squad to 30 before the team leaves for Morocco for a training camp.<br />