Pierre-Emerick Aubameyang has taken a risk with his shirt number choice at Chelsea.
The forward was announced as a Blues player after the transfer window closed after a deal with Barcelona was agreed earlier in the day with Marcos Alonso understood to be going the other way in the move.
The Gabonese striker signed a two-year deal, football.london understands, and will join his former manager Thomas Tuchel once more after the pair enjoyed a fruitful relationship together at Borussia Dortmund.