Arsenal’s Pierre-Emerick Aubameyang (left) celebrates scoring his side’s second goal of the game with Mesut Ozil during the Premier League match at the Cardiff City Stadium. 02 September 2018.

Arsenal's Pierre-Emerick Aubameyang (left) celebrates scoring his side's second goal of the game with Mesut Ozil during the Premier League match at the Cardiff City Stadium. 02 September 2018.

Arsenal’s Pierre-Emerick Aubameyang (left) celebrates scoring his side’s second goal of the game with Mesut Ozil during the Premier League match at the Cardiff City Stadium. 02 September 2018.