The Blues boss has offered his view on the Gunners captain who has faced some criticism this season during his side's downturn
Thomas Tuchel has admitted that he still exchanges messages with Pierre-Emerick Aubameyang, who he previously coached during his time at Borussia Dortmund.
Aubameyang scored 141 goals in 213 games at Dortmund, where he was coached for two years by Tuchel after being brought to Germany by Jurgen Klopp.
Ahead of their first meeting in English football, Tuchel gave his opinion of the Gunners captain, who has faced increased criticism amid his side's struggle to qualify for any European competitions.