Sammy Lee has joined Bolton for a third time during his football career.
The 53-year-old, who finished his playing days with the club in 1991 and was assistant manager and then manager from 2005-07, has now taken up the role of head of academy coaching.
It was the former Liverpool captain, Graeme Souness, who first invited Lee to get involved in coaching and added him to the Anfield staff in 1993.
He took to the job and gained such respect that both Roy Evans and Gérard Houllier kept him on the payroll after Souness left the club, promotion him from reserve team coach to the first team by the time Houllier left.
In 2001 Lee also became a part-time coach under Sven-Göran Eriksson with England, eventually leaving Liverpool to go full-time with the national set-up in 2004.
After Eriksson's there was a long spell at Bolton before Lee returned to Anfield in May 2008, taking up as assistant manager to Rafael Benítez on a 2-year contract.
On 21 December 2008 Lee took charge of Liverpool for the first time in a 1-1 draw with Arsenal as Benítez became ill with kidney stones.
His services were reained when Roy Hodgson joined the club.
Howvever in June 2011 Sammy Lee left Liverpool by mutual consent after the first six months of Kenny Dalglish's new reign.
Bolton Manager Owen Coyle said: 'I know Sammy will bring a great deal of top-level coaching experience and enthusiasm, and that can only be of huge benefit for our youth players.'
Young midfielder Josh Vela, meanwhile, has signed a three-and-a-half-year contract extension.
The 18-year-old stood on the brink of a first-team breakthrough earlier this season until fracturing a foot in a reserve game in November.
Now fit again, Vela told the club's official website: 'It's been a bit of a frustrating season for me with the injury, so I just want to continue working hard.
'My aim is of course to get into the first team, and I know I've still got a lot to learn, but I feel I am developing into a better player as each day goes by.'
