Chelsea have been given the permission to speak with Derby County manager Frank Lampard over their vacant managerial position.
Former Chelsea midfielder Lampard is the top transfer target for his former club in the bid to replace Maurizio Sarri who left Stamford Bridge earlier this month.
The latest development was confirmed by the official Twitter account of English Championship club Derby County on Tuesday afternoon.
Italian tactician Sarri left Chelsea earlier this month to take the Juventus job after just one season as the Blues boss.
The 60-year-old led Chelsea to third place at the end of the recent Premier League season in addition to leading the Blues to two major finals.
Sarri and Chelsea lost the Carabao Cup final to Manchester City on penalties before they won the Europa League title by beating London rivals Arsenal in the final.
Frank Lampard is expected to be his replacement at Chelsea after a superb season as the Derby County manager.
The Chelsea legend led the Rams to the playoffs before losing the final to Aston Villa via a 2-1 defeat.
Frank Lampard attained legendary status at Chelsea after he scored 211 goals in all competitions during his 13-year stay at the West London club.