![Why is new Chelsea man Pierre-Emerick Aubameyang wearing a mask? Star set to make Champions League debut for Thomas Tuchel’s men](https://cdn.newsserve.net/ONPglobe256.png)
Why is new Chelsea man Pierre-Emerick Aubameyang wearing a mask? Star set to make Champions League debut for Thomas Tuchel’s men
Thomas Tuchel's side laboured to another poor performance as Aubameyang made his debut for his new team in their Champions League..