Chelsea have submitted a bid to sign Pierre-Emerick Aubameyang from Barcelona, according to The Athletic's David Ornstein.
The Blues haves shown an interest in signing Aubameyang during this summer transfer window. Thomas Tuchel's side have been active this transfer window as they have welcomed Kalidou Koulibaly, Marc Cucurella and Raheem Sterling so far.
As per David Ornstein, the offer is believed to be £15m + Marcos Alonso moving the opposite way.