Correctional Services spokesman Manelisi Wolela has denied allegations that student leader Mcebo Dla.
Nigeria have lined up two friendly matches against Egypt and Sudan in Spain, as part of their build-up to next year's Afruca Cup of Nations in Ghana.
According to the spokesman for the Nigeria Football Association, Ademola Olajire, the Super Eagles will tackle Egypt on January 8.
They will play the Nile Crocodiles four days later to test their readiness for the Afcon against Sudan.
"We are delighted to have reached an agreement on the two games," said Olajire.
"Coach Berti Vogts has been keen on playing against African opposition before the Nations Cup.
"We are in a very crucial group and so need to prepare very well."
Nigeria are drawn in a tough first round group for the tournament alongside Ivory Coast, Mali and Benin.
The Nigerian national team , who are expected to open a training camp in Malaga on January 3, will face Australia on November 17 in London and Switzerland four days later as part of their preparation for the 2008 Afcon.
l DRC midfielder, Zola Matumona, who quit his Belgian club last week over a racist incident, has agreed to return.
Matumona quit FC Brussels on Friday after he and his fellow players were lambasted by club president Johan Vermeersch for a string of poor performances.
Matumona accused Vermeersch of racial abuse. The president had told him to think about things other than "trees and bananas".
But after lengthy talks on Tuesday Matumona agreed to return, accepting his boss's excuses and dropping his planned legal action.- BBC