Chelsea have been encouraged in their pursuit of Lyon attacker Rayan Cherki.
The youngster is being viewed by Chelsea as a replacement for Christian Pulisic, who is signing for AC Milan today.
The Blues hope to do business for around 35m with Lyon - with the French giants prepared to sell.
ESPN says Lyon wish to cash in and are open to selling for Chelsea's valuation.
Aiding negotiations is OL owner John Textor, who is close to Chelsea's America owners.