Thomas Tuchel has been warned about Chelsea's inability to be proactive in the transfer market.
Jurgen Klopp's side, who signed Luis Diaz from Porto in the January window for just an initial £37m, has enjoyed a superb success rate when signing players.
The 25-year-old winger falls precisely into the said category and looks to have already taken great strides towards emulating Sadio Mane's impact at Anfield.
