JOHN HARTLEY has left Aston Villa after almost nine years to become Head Physio at Derby County.

DERBY COUNTY Head of Fitness Steve Haines has left the club after 13 years as part of a restructure that followed the sacking of Phillip Cocu.

FORMER England manager Steve McClaren has been appointed Technical Director and board advisor by Derby County.

DERBY COUNTY have named a coaching quartet to take interim charge of the club following the sacking of Phillip Cocu on Saturday.

FORMER Blackburn, Blackpool and Bradford manager Gary Bowyer has been appointed Under-23s boss at Derby County.

FRANK LAMPARD has taken another member of Derby County’s backroom staff with him to Chelsea.

FORMER Birmingham, Derby and Stoke manager Gary Rowett is joined by his former Head of Performance, Dave Carolan, and Head of Analysis, Joe Carnall, for the first episode of the new Training Ground Guru podcast.

DERBY manager Frank Lampard has appointed Chris Jones, Shay Given and Stephen Rands to his new-look backroom staff.

CHELSEA first-team fitness coach Chris Jones is to become Frank Lampard’s Head of Performance at Derby County.

MANAGERS are supported by an unseen network of tactical analysts on matchday. Derby County's Joe Carnall gives us an insight into this often secret world.

THREE members of the performance team at high-flying Derby County have given a superb insight into what a typical working day entails for them.

NEWCASTLE UNITED have been the youngest side in the Premier League so far this season, according to analysis by Ben Mayhew of Experimental 3-6-1.