Since then the Englishman has worked under six different managers at Stamford Bridge - Andre Villas-Boas, Roberto di Matteo, Rafa Benitez, Jose Mourinho, Guus Hiddick and Antonio Conte.

The former England Under-18 international is also well known by Derby assistant manager Jody Morris, who joined the Rams at the start of this month. Morris, a former Chelsea midfielder, was U21 and then U18 coach with the Blues from 2013.

Jones will replace Dave Carolan at Pride Park. Carolan was one of five Derby backroom staff who moved to join Rowett at Stoke City this week.