Chelsea have gone through no less than 15 managers - including caretaker coaches - since the arrival of Roman Abramovich.
Everyone from Carlo Ancelotti to Jose Mourinho and Avram Grant to Roberto di Matteo have given the role their best shot and almost all of them were given the sack.
Of all the managers who have held the reins at Chelsea in the last 15 years, though, most supporters would regard a certain Andre Villas-Boas as the worst of the lot.
Arriving at Stamford Bridge as the protege of Jose Mourinho, he had freshly won the treble with Porto and was tasked with regaining the Premier League crown the Blues had just lost to Manchester United.
In the end, he actually departed west London with the club languishing in fifth place and on the brink of a Champions League exit at the hands of Napoli.
Villas Boas' Chelsea signings
It came as no surprise when the Portuguese was eventually sacked in late March and his managerial career has never carried the same hype since.
However, if there was one thing that Villas-Boas did reasonably successfully during his time with Chelsea it was his transfer business. And through contemporary lenses, some of his signings look simply inspired.
That considered, here's what happened to the 12 players Villas-Boas signed during his time with Chelsea:
What an incredible signing this turned out to be in the long-term. Snapped up from Genk, Courtois would endure as Chelsea's number one goalkeeper for four seasons before eventually leaving for Real Madrid this summer.
A slightly more misguided signing, although Romeu has gone onto impress in the Premier League with Southampton. Remains on the south coast having made 33 appearances for Chelsea and spending time on loan at Valencia and Stuttgart.
Now one of the most feared strikers in European football, it was Villas-Boas who brought him to Chelsea in 2011. He was prematurely sold by the Blues in 2014 and has gone onto succeed at Manchester United after time with Everton.
There are some Chelsea supporters that still miss Mata today. The Spaniard was at his peak during his first two seasons at Stamford Bridge and is another player to move to Manchester United with Jose Mourinho selling him on in 2014.
The first major misfire of the Villas-Boas era. Davila joined the club as the so-called 'Mexican sensation' but never made a senior appearance in west London, embarking on numerous loan adventures before signing for Santos Laguna.
He only pulled on the Chelsea shirt for one season yet Meireles proved a shrewd purchase from Liverpool and bagged himself a Champions League trophy. Meireles would then ply his trade in Turkey for four years with Fenerbahce only to retire in 2016.
Hutchinson was re-signed by Chelsea in December 2011 having prematurely retired from football the year before due to injury problems. In the end, he made just six senior appearances before moving to Sheffield Wednesday for whom he still plays with today.
Where is he? Still at Chelsea, believe it or not. Despite not making a single appearance for the Blues in six years, the Nigerian is currently awaiting a new loan destination after time away with clubs such as Middlesbrough and ADO Den Haag.
A brave call at the time despite Cahill's impressive showings for Bolton, the Englishman is now Chelsea's captain and has made 282 appearances for the club. Two Premier League titles, the Champions League, an FA Cup and League Cup represents quite the spell.
Another player who has been repeating loans since his departure, the Brazilian awaits his next adventure after spending the last two years with Fulham. His chances of making it at Chelsea one day are looking increasingly slim.
Kevin De Bruyne
Oh, what could have been. Chelsea fans probably saw this as a pretty underwhelming signing at the time, but De Bruyne has gone onto become one of the best players in the world during his Premier League return with Manchester City.
An incredible 2014-15 campaign with Middlesbrough suggested he could be a key asset for Chelsea one day. Sadly for Bamford, it hasn't turned out that way and he has since returned to the north-east club without a single Chelsea appearance to his name.
Villas-Boas achieved very little at Chelsea but signing Lukaku, Courtois, De Bruyne and Mata is quite the collection of signings.
It shows that while Chelsea were right not to trust him in the hot-seat, they probably should have backed some of his purchases in the long-term.
Which signing do you think is the best and which is the worst? Have your say in the comments section below.
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