Frank Lampard may have already played his final match for Chelsea after Jose Mourinho revealed the midfielder is a major doubt for Sunday's Barclays Premier League finale at Cardiff.
Lampard, who is 36 in June, is out of contract at the end of the campaign alongside captain John Terry and Ashley Cole, a trio who have been mainstays at Chelsea for eight years and more.
"Frank Lampard is ill, he is in bed," Mourinho said.
"If he is in bed on Friday, I don't think on Saturday he is coming in a condition to travel or to play."
Lampard is Chelsea's record goalscorer, with 209 goals in 646 appearances since his 2001 move from West Ham.
Asked to reflect on Lampard's distinguished career at Stamford Bridge, Mourinho added: "Maybe in a few years he will have a statue where Peter Osgood is, by his side. He's one of the biggest players (in the history) of this club."
Terry is also doubtful - with "a little thing" picked up on Thursday - but has begun negotiations over a possible new contract and his form this season suggests the Blues would like to keep the captain.
The 20 most shocking moments of the 2013/14 Premier League season
The 20 most shocking moments of the 2013/14 Premier League season
1/13 Michael Jackson removed, only to reappear elsewhere
Just weeks after buying Fulham from Mohamed Al Fayed, new owner Shahid Kahn decided to remove the most famous statue in football, despite threats from his predecessor that his moustache would be cut off if he dared to do so. Few knew the whereabout of the King of Pop after it disappeared from Craven Cottage, until rather bizarrely the National Football Museum revealed Fayed had donated it to their collection. The eccentric Egyptian owner said the removal of the statue had been the reason for Fulham's relegation.
2/13 Theo Walcott mocks Tottenham fans... twice
Despite being stretchered off with an injury that would rule him out for the rest of the season and the World Cup - Theo Walcott had a big grin on his face as he was carried off the Emirates pitch. That's because he was winding up the visiting Tottenham fans by making a gesture about the 2-0 scoreline. Spurs fans were furious with some pelting Walcott (and those carrying him, even though it turned out some were Tottenham fans) with coins. Despite causing such a furore, Walcott made the same gesture during Arsenal's parade around the pitch after their final home game.
3/13 Ian Holloway walks away
Managers are rarely short of confidence, despite nearly half of them not being deemed good enough and replaced during the course of the season. So it was rather refreshing when Ian Holloway held his hands up, admitted he didn't feel things were working out with Crystal Palace and left the club. At the time Palace had lost seven of their first eight Premier League games. The decision by Holloway was in retrospect possibly the best of the season from the Eagles' point of view, with Tony Pulis coming in and against the odds guiding the club to safety.
4/13 Swansea at war
Six Swansea players were reportedly involved in a fight at the club's training ground - an incident made all the worse thanks to chairman Huw Jenkins happening to witness the clash. While training ground bust-ups are nothing unusual, the frequency with which they happened at Swansea over the course of this season has been. In January a 'screaming Chico Flores' was reported to have picked up a brick during a row with Garry Monk, the man who would later replace Michael Laudrup as manager.
5/13 Alan Pardew
Alan Pardew has always been rather animated on the touchline (just ask Arsene Wenger), but the Newcastle manager took it to a bizarre new level when his team played Hull this season. As David Meyler looked to quickly retrieve the ball from Pardew's technical area, he came into contact with the Newcastle boss. That was enough provocation for Pardew to go and head-butt the defender. It led to his club fining him £100,000 and giving him a warning and the FA banning him from stadiums for three games with a further four-match touchline ban. Quite easily the strangest moment of this, or indeed, any season.
6/13 Cardiff employ Kazakh work experience kid
Vincent Tan is something of an unorthodox club owner - from his leather gloves to disregard for Cardiff fans in changing the club colours from blue to 'lucky' red - but his choice of replacement for Iain Moody after the head of recruitment was sacked was even stranger. The man charged with replacing the experienced Moody was Alisher Apsalyamov, a 23-year-old from Kazakhstan who had been at the club on work experience over the summer. Apsalyamov, reportedly a big fan of Fifa and a friend of Tan's son, didn't last long in the role due to problems with his work visa.
7/13 Chris Hughton sacked
That Chris Hughton was sacked during the season came as little surprise. But that Delia at the Norwich board left it so late was bizarre. There were just five games of the season remaining when it was deemed a change was needed, so out went Hughton and in came youth coach Neil Adams. At the time the Canaries were five points clear of the relegation zone. Before the season was over they were relegated.
8/13 Luis Suarez becomes likeable
Having missed the first six games of the season due to biting an opponent, changing opinions seemed an impossible task for Luis Suarez. But across the season the Liverpool striker has been the best player to watch, hitting the 30 goal barrier in the process. The Uruguyan's redemption was confirmed with the two highest individual honours - the Football Writers' Award and the PFA Players' Player of the year.
9/13 The quenelle
When Nicolas Anelka made a gesture during a match around Christmas time it went largely unnoticed, probably because people were more in shock that he had actually found the back of the net for West Brom. But it turned out the gesture, dubbed the 'quenelle' or an 'inverted nazi salute', is deemed by anti-semitic by some. It led the FA to issue the Frenchman a five-match ban and £80,000 fine. Meanwhile the Baggies sacked him for gross misconduct. Despite Anelka having played for half the teams in England, no-one seemed particularly sorry to see him go.
10/13 Mark Clattenburg upsets Adam Lallana
Mark Clattenburg, something of a moth to the limelight, found himself the centre of attention for what seemed to most an innocuous remark. While officiating a Southampton match, he allegedly told Adam Lallana: 'You are very different now, since you've played for England - you never used to be like this.' It was enough for Saints to lodge an official complaint and suggest that Clattenburg had insulted their player and should not referee their games again. The official was cleared of any wrongdoing.
11/13 Steven Taylor Twitter gaffe
Steven Taylor escaped FA action, but needed to be reminded of his responsibilities after an ill-judged tweet. In response to being mocked by team-mates over his poor French, The Newcastle defender tweeted a picture of Massadio Haïdara along with some 'look-a-likes' - two other black players - Papiss Cissé and Moussa Sissoko - as well as a tribesman. It was accompanied by the words 'it's always good to see you guys smiling'.
12/13 Tom Huddlestone haircut
Tom Huddlestone's hair was getting out of control. But having vowed not to cut it until he found the back of the net, it just kept getting bigger. So when the Hull midfielder ended his 32-month goal drought in the 6-0 win over Fulham (a game possibly deserving of it's own mention in this countdown) the barber was called in. In front of the photographers in the KC Stadium changing rooms, his unwieldy hair was trimmed and in the process a lot of money was made for charity.
Lynne Cameron/PA Wire
13/13 Arsenal get smashed - again and again
Arsenal were genuine title contenders for much of the season, but defeats to the top sides saw their challenge come undone. Losing to the teams at the top isn't unforgivable, but the manner of many of the defeats was shocking. Over the course of the season, Arsene Wenger's side lost in equally disastrous circumstances to the other three teams in the top four, going down 6-3 to Manchester City, 5-1 to Liverpool and 6-0 to Chelsea.
England left-back Cole appears on the verge of an exit after being a peripheral figure this term.
Mourinho, who will provide a report to the Chelsea hierarchy at the end of the campaign, was unable to provide an update on the futures of the trio.
Asked if their Chelsea careers would end at the season's conclusion, Mourinho said: "I don't know. But I don't think so. The club knows my opinion. The players know my opinion too."
Despite finishing the season without silverware - Chelsea's first trophyless campaign since 2010-11 - Mourinho reflected on a "positive" return.
Other managers have paid with their jobs in similar circumstances under notoriously hard-to-please owner Roman Abramovich, but the Portuguese is likely to remain after guiding Chelsea back into title contention for much of the campaign, after the Blues finished 25 points off the pace in 2012 and 14 adrift last term.
"By the competitive aspect I think it was an evolution," Mourinho said.
"Some of the players had for the first time that experience of fighting for the title, until it was not possible, and fighting for the Champions League, playing Champions League knockout phase, quarter-finals, semi-finals.
"This is not the kind of season that Chelsea celebrates, because this is Chelsea's nature and my nature.
"We are not jumping because in such a difficult Premier League we finished third and qualified to the Champions League group phase without play-offs.
"In this moment we are thinking about next season. We are turning our focus not to the World Cup but to preparations for next season."
Mourinho has often spoken of transition since returning to Stamford Bridge and he will have decisions to make this summer.
As well as the futures of Terry, Lampard and Cole, Chelsea and Mourinho have other things to ponder.
What to do with his goalkeepers, Petr Cech and Thibaut Courtois, who has excelled on loan at Atletico Madrid?
What to do with Romelu Lukaku, who has scored 15 times on loan at Everton?
Mourinho has often spoken of the travails of his strikers - Samuel Eto'o, Fernando Torres and Demba Ba - and his desire to recruit a prolific goalscorer, with Atletico's Diego Costa widely linked.
Eto'o, who has scored 12 goals this term, all at home, is out of contract at the end of the season and may also have played his final game for Chelsea as he suffered an injury in training on Friday after a recent knee problem.
Mourinho and Chelsea have been working on the recruitment of a striker for some time.
"We were preparing the long-term future and not just an immediate solution to try to help us for the rest of the season," Mourinho said.
"In the same way we bought two players in January and they were not eligible to play in the Champions League (Nemanja Matic and Mohamed Salah) and we said 'no problem' because we are preparing the team for the long term and not just for the immediate.
"It is normal that we are going to bring a striker (in) now. It's normal. It's normal that we want to improve.
"We have good strikers, we have good players, we are not in a desperate situation.
"But it's the normal evolution of the team. Every team wants to get the summer transfer window to improve and one area we want to improve - and we've made it very clear since December, January - that it's the striker position.
"We have three strikers in this moment. Normally one is coming, normally one is leaving. Calm, natural and logical."
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