Diego Costa started Chelsea’s opening Champions League game at home to Schalke on the bench due to hamstring problems. Photograph:  Facundo Arrizabalaga/EPA

Chelsea manager Jose Mourinho faces tough decisions in his management of Diego Costa and the striker’s temperamental hamstrings as a result of the Blu(...)

Schalke’s Klaas-Jan Huntelaar (centre) celebrates with team mates after scoring the equaliser   against Chelsea  at Stamford Bridge. Photograph: Eddie Keogh / Reuters

Chelsea 1 Schalke 1Jose Mourinho had offered up a reminder on the eve of this contest that he is very much “part of this tournament’s history”, though(...)

Chelsea’s Eden Hazard (centre) in action against Swansea’s goalkeeper Lukasz Fabianski (left)   at Stamford Bridge last wekend. Photograph: Facundo Arrizabalaga / EPA

Chelsea manager Jose Mourinho has called on Eden Hazard to prove he is one of the greatest players of his generation. The Blues boss expects the Belgi(...)

 Valencia  announced they have reached an agreement to sign striker Alvaro Negredo on loan from Manchester City with a clause making the deal permanent at the end of the season.  Photograph: Jeff Holmes/PA Wire.

ArsenalPlayers in: Alexis Sánchez (Barcelona, £30m), Mathieu Debuchy (Newcastle, £12m), David Ospina (Nice, undisclosed), Calum Chambers (Southampton,(...)

 Chelsea’s Cesc Fabregas gestures during the English Premier League soccer match against Burnley.  Photograph: Peter Powell/EPA

Jose Mourinho hailed Cesc Fabregas after the midfielder enjoyed a stunning debut in Chelsea’s 3-1 win over Burnley.After three years in Barcelona, Fa(...)

Chelsea’s Diego Costa celebrates scoring his side’s first goal of the game against Burnley during the Premier League match at Turf Moor, Burnley. Photograph: Martin Rickett/PA Wire.

Burnley 1 Chelsea 3 It turned out to be a deception. Burnley had taken the lead and, briefly, their supporters might have dared wonder whethe(...)

 Chelsea coach Jose Mourinho: Last season he  complained that some of his players did not sufficiently grasp the differing demands of the Premier League. Las’lo belicayh/EPA

Tonight Chelsea must dress appropriately. Last season Jose Mourinho complained that some of his players did not sufficiently grasp the differing dema(...)

Chelsea’s Diego Costa celebrates scoring his side’s first goal  during a pre-season friendly at Stamford Bridge The club are pinning their Premier League title hopes hopes on  the former Atletico Madrid man hitting  the back of the net regularl in the season ahead. Photograph: Andrew Matthews/PA

Given a ball has not been kicked and around 500 players are yet to appear in any of the 380 Premier League matches that will unfold across the next 10(...)

Chelsea coach Jose Mourinho: “Some they have 10 years to win something, I have only two.” Photograph: Laszlo Beliczay/Epa

Jose Mourinho has reopened old wounds on the eve of the new Premier League campaign by suggesting that rival managers such as Arsene Wenger and Manuel(...)

Didier Drogba has retired from international football after winning 104 caps with the Ivory Coast and captaining the side for eight years. Photograph:  Warren Little/Getty Images

Didier Drogba has announced his retirement from international football with the Ivory Coast.The 36-year-old, who last month re-joined Chelsea followin(...)