Derby County have confirmed that they have granted Chelsea permission to speak to Frank Lampard about the vacant coaching position at the club.
The Blues legend has been heavily linked with a return to Stamford Bridge following Maurizio Sarri's departure and reports suggest that the former Chelsea midfielder will now take over from the Italian.
Sarri returned to his homeland to take over the reins at Serie A champions Juventus this month, weeks after leading Chelsea to Europa League glory.
Cech completes Chelsea return
A Derby statement read: "Derby County Football Club can confirm that they have granted permission for Chelsea Football Club to speak to Frank Lampard about the vacant managerial position at Stamford Bridge.
"With pre-season fast approaching for both clubs, it is hoped this will allow Chelsea to swiftly conclude their discussions.
"The club will make no further comment until it is appropriate to do so."
According to Sky Sports News, Chelsea are prepared to pay the £4m compensation clause in Lampard's Derby contract.
Lampard, who took over the reins at Pride Park Stadium last year, spearheaded the Rams to the Sky Bet Championship play-off final where they eventually lost to Aston Villa.
The 41-year-old scored 209 goals in 640 appearances for Chelsea, winning 15 trophies at the club as a player.