Gernot Rohr took charge of Nigeria in August 2016.
How Aubameyang helped put Gabon on the map.
He registered more dribbles than Bayern Munich winger Arjen Robben.
Aubameyang scored 40 goals in all competitions last season
Naby Keita has 25 caps for Guinea.
Kevin-Prince Boateng returns to the German Bundesliga
Mohamed Salah becomes the joint most expensive African player.
Traore joined Monchengladbach in 2014.
Gabon's Aubameyang ends Bundesliga season as top scorer
Salomon Kalou went to Hertha Berlin from Lille in 2014.