Despite picking up a 3-1 win over Algeria in their last World Cup 2018 qualifiers, players of the Super Eagles watched and analysed flaws noticed during the course of the morale boosting victory.
Coach Gernot Rohr pointed out areas where the team needs to work on ahead of their next set of competitive games against South Africa and Cameroon respectively.
The coach also made the defenders realised areas where they could have done better as they might be punished by another team, if such is repeated in future games.
Rohr also received inputs from some of the players in the session which Owngoalnigeria.com correspondent alongside others were barred from.
*Michael James reporting from London