According to reports, the French striker has made a decision on the club to join during the summer transfer window.
However, Chelsea and Premier League rivals Manchester United are keen on signing Lyon striker Moussa Dembele this summer.
Daily Express claim Manchester United have an agreement in place to sign Lyon forward Dembele.
It is believed there is a ‘total agreement’ between the two parties for the Frenchman’s signature with United set to pay around £61million.
Dembele has scored 42 goals and provided 13 assists in 88 appearances for Lyon.