Sam Allardyce and Crystal Palace are next in attempting to solve the Blues, who have weathered a mix of formations over their past 27 matches.
2016 SeasonAll times ET
Antonio Rudiger has been attracting the interest of the Premier League's elite. Here are five things to know about the Germany international.
Former Chelsea star Frank Leboeuf has told RMC that N'Golo Kante is too shy to be "a boss" of the Blues squad.
Rudiger, who has been a long-term target for the trio, played the full 90 minutes of Germany's 1-0 win over England at Dortmund.
The 28-year-old has 17 goals for Chelsea, but missed out on his country's last World Cup qualifiers due to injury.
Cole, part of the 2003-04 "Invincibles" team, told ITV's panel show "Play to the Whistle" that he had no regrets about move to Chelsea.
Tiemoue Bakayoko to Chelsea and Michael Keane to Liverpool are some of today's emerging whispers.
The Monaco midfielder, linked with Chelsea and Manchester United, says he has been influenced by Claude Makelele and Yaya Toure in his career.
Chelsea appear to be making early plans to upgrade their midfield with a move for Monaco's Tiemoue Bakayoko, reports French publication L'Equipe.
Diego Costa is refusing to rule out a move to China at the end of this season despite insisting that he is happy to stay at Chelsea.
Thorgan Hazard has replaced his injured brother Eden in the Belgium squad for their next two international fixtures.
Chelsea forward Pedro Rodriguez says he "never lost hope" that one day Spain coach Julen Lopetegui would call him back to the national team.
Cahill has taken on the captain's armband after becoming vice-captain after Branislav Ivanovic's move to Zenit St Petersburg.
Radja Nainggolan has distanced himself from a summer move to Premier League leaders Chelsea by declaring himself happy at Roma.
Gary Cahill's Chelsea critics need a reality check. John Terry may be the original "Captain, leader, legend" but Cahill embodies his spirit too.
Kylian Mbappe to Manchester United, Gylfi Sigurdsson to Everton and Kingsley Coman to Chelsea are some of today's emerging whispers.
Courtois has been linked with Madrid since last season but wants to stay at Stamford Bridge.
Thibaut Courtois believes Chelsea will do whatever it takes to find "a happy ending" to any talks with Antonio Conte over a long-term extension.
Neymar has dropped the biggest hint yet that he could play in the Premier League one day if he ever decides to leave Barcelona for pastures new.
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