Who is the best African player in Borussia Dortmund history?

Mohamed Zidan

Egypt striker who scored important goals for Dortmund from 2005 to 2010 during a transitional period at the club before the Klopp revolution took hold.

Pierre-Emerick Aubameyang

Gabon striker who scored 141 goals in 213 appearances and won the 2016-17 Bundesliga Golden Boot with 31 goals, one of the fastest and most prolific strikers in BVB history.