Chelsea have confirmed they have lodged a formal complaint with the Football Association regarding “inappropriate language” directed at John Obi Mikel by referee Mark Clattenburg during their Barclays Premier League match against Manchester United on Sunday.

Mark Clattenburg and the Football Association were today both waiting to discover whether police would investigate allegations the referee used “inappropriate language” towards Chelsea stars John Obi Mikel and Juan Mata.

Chelsea’s accusation that referee Mark Clattenburg used inappropriate language towards two of their players is spiralling into another huge controversy for the Premier League after the official was stood down for next weekend’s fixtures and police were urged to take up the case, just as they did recently with John Terry.

Mark Clattenburg was tonight facing the prospect of a police and Football Association investigation into allegations he used “inappropriate language” towards Chelsea stars John Obi Mikel and Juan Mata.

Florent Malouda has been left out of Chelsea’s squad for the Champions League group stage, casting further doubt over his future.

CHELSEA midfielder John Obi Mikel played in Sunday’s draw at Stoke despite knowing his father had been abducted back in his Nigeria homeland.

Chelsea boss Carlo Ancelotti hailed the performance of teenage midfielder Josh McEachran as the Blues clinched top spot in Group F of the Champions League with a 2-1 win over MSK Zilina.

Chelsea will rest a number of their first-team regulars against MSK Zilina in the Champions League tomorrow.

Chelsea 0 Sunderland 3

Chelsea 1 Fulham 0

Chelsea coach Carlo Ancelotti has confirmed he will include four of the club’s talented youngsters against Newcastle in tonight’s Carling Cup third round tie at Stamford Bridge.

Chelsea goalkeeper Petr Cech is convinced the club can this season finally end their Champions League hoodoo.

CHELSEA coach Carlo Ancelotti has already named his side ahead of their Champions League opener in Group F against MSK Zilina tonight.

Chelsea manager Carlo Ancelotti has a slight doubt over right-back Branislav Ivanovic ahead of the FA Cup final against Portsmouth at Wembley on Saturday.

Chelsea coach Carlo Ancelotti has no fresh injury worries as the Blues bid to clinch the Barclays Premier League title against Wigan at Stamford Bridge.

CHELSEA midfielder John Obi Mikel will miss the FA Cup final against Portsmouth on May 15 after undergoing minor knee surgery.

Chelsea midfielder John Obi Mikel will miss the FA Cup final against Portsmouth on May 15 after undergoing minor knee surgery.

CHELSEA coach Carlo Ancelotti insists he is not haunted by the ghost of Jose Mourinho as the Blues prepare for another massive weekend in the title race.

Tottenham 2 Chelsea 1

Chelsea 7 Aston Villa 1

Chelsea captain John Terry will lead the Blues out for their Barclays Premier League showdown against Arsenal at Stamford Bridge on Sunday.

STEADFASTLY ignoring the hubris surrounding John Terry, Frank Lampard was more intent on turning the spotlight on the critics who had predicted Chelsea’s attempt to end Manchester United’s three-season stranglehold on the Premier League would be fatally undermined by the African League of Nations.

Defender Ricardo Carvalho insists Chelsea’s recent form will have sent a message of intent to their title rivals.

Joe Cole will return to the Chelsea side for tomorrow’s Premier League clash against Birmingham at Stamford Bridge.

Chelsea will be without midfielder Deco when they entertain Sunderland in the Premier League at Stamford Bridge tomorrow.

ARSENE Wenger has questioned fellow Premier League bosses’ motivation for calling for their players to return from the African Nations Cup over security concerns.

Chelsea will go into the Premier League game against Hull tomorrow without four key players who are at the African Nations Cup.

Chelsea boss Carlo Ancelotti has described Petr Cech as one of the best goalkeepers in the world and expects him to bounce back from his recent jitters.

CHELSEA boss Carlo Ancelotti insists Manchester City are still in the Premier League title race this season under fellow Italian Roberto Mancini.

Chelsea boss Carlo Ancelotti insists Manchester City are still in the Barclays Premier League title race this season under fellow Italian Roberto Mancini.

CHELSEA are operating effectively free from debt after Roman Abramovich wiped off £340million (€381m) owed to him – but the prospect of the club breaking even by 2010 appears unlikely after they recorded a yearly loss of £44.4million (€49.75m).

CARLO ANCELOTTI is happy to rely on his young strikers to help Chelsea through one of the most critical periods of the season.

Chelsea 2 Portsmouth 1

Carlo Ancelotti rebuffed suggestions that Chelsea are in crisis after some desperate defending from set-pieces allowed Everton to claim a 3-3 draw at Stamford Bridge.

CHELSEA coach Carlo Ancelotti has given four key players permission to go to the African Nations Cup early.

CHELSEA striker Didier Drogba conceded the Blues had under-estimated the threat of APOEL after the Cypriot minnows snatched a 2-2 Champions League draw at Stamford Bridge.

Chelsea 2 APOEL 2

Petr Cech is set to miss Chelsea’s final Champions League group game against APOEL tomorrow – but not because of his free-kick blunder against Manchester City.

Chelsea 4 Wolves 0

Chelsea have just one player missing from their squad as they prepare for the visit of Manchester United on Sunday.

Chelsea have doubts about striker Salomon Kalou and defender Branislav Ivanovic ahead of their trip to Bolton.

Carlo Ancelotti will make numerous changes to the side for the visit of Bolton in the Carling Cup tomorrow night.

CARLO ANCELOTTI is hoping to be back in the dugout today after rushing home to Italy to be with his seriously ill father.

Chelsea will welcome back Ivory Coast striker Didier Drogba against Blackburn tomorrow.