Arsenal manager Arsene Wenger was following Pierre - Emerick Aubameyang when the striker was playing for Saint - Etienne .
Manager did n't pull the trigger and manager ended up at Borussia Dortmund .
Arsenal manager Arsene Wenger was following Pierre - Emerick Aubameyang when the striker was playing for Saint - Etienne , but Wenger did n't pull the trigger and he ended up at Borussia Dortmund .