Chelsea have completed the signing of Basel's Egyptian winger Mohamed Salah, the Premier League club said on their website on Sunday.
Chelsea's 0-0 home draw with second-placed United ensured Thomas Tuchel is still undefeated in nine games since replacing Frank Lampard, but it meant they failed to dislodge fourth-placed West Ham United who became Manchester City's 20th successive victims in all competitions on Saturday.
United led through Juan Mata's 11th minute strike but just before halftime the visitors were level when De Gea weakly parried an Antonio Rudiger shot into the path of Marcos Alonso.
Costa, the Premier League's leading scorer with 14 goals, will miss Saturday's game following a disagreement with Chelsea manager Antonio Conte and a club fitness coach Julio Tous, the reports say.
Images from the English Premier League matches played on Saturday
Lionel Messi had to wait 12 years and endure a goal drought of eight games against Chelsea but he finally broke his duck in Tuesday's 1-1 Champions League last 16, first leg draw.
Robert Lewandowski and Raphinha both scored twice to help Barcelona thrash hosts Villarreal 5-1.
IMAGES from EPL matches played on Wednesday
Manchester United and Chelsea secured places in the Champions League with wins on the final day of the Premier League season while Watford and Bournemouth were relegated along with bottom club Norwich City.
IMAGES from EPL match played between Manchester City and Chelsea on Sunday
Five Manchester City first team players have tested positive for COVID-19 and will not be involved when they play Chelsea in the Premier League this weekend
IMAGES from the EPL matches played on Sunday
Chelsea's American forward Christian Pulisic scored his first Premier League goals for the club with a hat-trick and Willian added another in an entertaining 4-2 win at Burnley.
Chelsea coach Maurizio Sarri said the refusal of his goalkeeper Kepa Arrizabalaga to be substituted in Sunday's League Cup final was the result of a "big misunderstanding", adding that the Spaniard "was right but in the wrong way".
He has been charged by the FA for remarks against match-officials
Thierry Henry has been named head coach of the country's Under-21s until 2025
Eden Hazard scored twice and created a third to steer Chelsea to a 4-1 victory over London rivals Arsenal in the Europa League final in what looks likely to be the Belgium winger's final game for the Blues.
IMAGES from the EPL matches played on Sunday.
Eden Hazard is enjoying life under new Chelsea manager Maurizio Sarri but says reports that he is about to announce the signing of a new deal with the London club are wide of the mark.
Manchester City won the English League Cup for the second successive season as the beat Chelsea 4-3 in a penalty shootout after the Wembley showpiece had ended 0-0 after extra time.
WikiLeaks founder Julian Assange has agreed to enter a plea deal with the Joe Biden administration that could pave the way for him to avoid imprisonment in the United States, according to recently filed federal court documents, CNN reported.
"I think he's our best player," Fabregas said.
Diego Costa has accused Chelsea of treating him like a "criminal" in a forthright newspaper interview which will deepen the breach with the Premier League club.
'I decided ... to overtake the catering costs for at least three months'
The victory, Chelsea's 28th of the season, put the long-time league leaders 10 points clear of second-placed Tottenham Hotspur, who have only three games left to play.
Chelsea, however, were unlucky after they were again denied by the woodwork.
IMAGES from the English Premier League matches played on Sunday
Chelsea have enough experience to keep their composure in the title race after Sunday's 2-0 defeat at Manchester United cut their lead at the top of the Premier League table to four points with six games left, goalkeeper Asmir Begovic has said.
Spain manager Luis de la Fuente left Barcelona's 17-year-old defender Pau Cubarsi and midfielders Marcos Llorente and Aleix Garcia out of his 26-man squad
Buoyant Chelsea extended their Premier League lead and calmed nerves at Stamford Bridge with a 4-2 win over Southampton on Tuesday that moved them seven points clear of their nearest pursuers Tottenham Hotspur.
Chelsea playmaker Eden Hazard relishes playing with striker Diego Costa and is keen for the Spaniard to resolve his stand-off with the English Premier League champions and return to action.
Chelsea must improve their defensive solidity if they are to challenge for silverware this season, winger Eden Hazard has said. Despite coach Antonio Conte's reputation of building teams around a solid defensive unit, Chelsea have conceded nine league goals this season, including three against Arsenal on Saturday, the first of which came from an error by Gary Cahill. The London club have kept just one clean sheet in six league games this campaign.
Chelsea manager Jose Mourinho believes that not having another international break until March will help his team recapture their best form after a woeful start to the season.
News of all that transpired on and off the football field.
Jose Mourinho has confirmed Diego Costa was taken to hospital with a rib injury suffered during Chelsea's Capital One League Cup match at StokeCity on Tuesday.
Bethany England's early rocket proved enough for Chelsea as they beat newcomers Tottenham Hotspur 1-0.
Michael Olise scored a stoppage-time penalty as Crystal Palace clawed back from two goals down to draw 2-2 with Manchester City in the Premier League at the Etihad Stadium on Saturday.
Ukraine will face Belgium, Romania and Slovakia in Group E. Although the Belgians are the group favourites, Ukraine are well-equipped to reach the knockout stage by finishing second.
Tottenham Hotspur denied Chelsea a record 14th consecutive Premier League win and loosened their grip on the title race as two Dele Alli headers secured a 2-0 victory.
Chelsea manager Antonio Conte is keen to see how his side cope with the absence of striker Diego Costa and midfielder N'Golo Kante and may change his favoured 3-4-3 formation when Bournemouth visit.
