(FILES) This file photo taken on November 21, 2017 shows then Dortmund's Gabonese forward Pierre-Emerick Aubameyang celebrating scoring the opening goal during the UEFA Champions League Group H football match BVB Borussia Dortmund v Tottenham Hotspur at the BVB Stadion in Dortmund, western Germany.
Pierre-Emerick Aubameyang has joined Arsenal after the Gunners agreed terms with his former team Borussia Dortmund, both clubs confirmed Wednesday, January 31, 2018. / AFP PHOTO / dpa / Bernd Thissen / Germany OUT
Pierre-Emerick Aubameyang became Arsenal's record signing when he completed his move from Borussia Dortmund. Bernd Thissen / AFP

Arsene Wenger's relationship with goalscoring royalty Aubameyang key to Arsenal's success