Premier League: Chelsea goalkeeper Edouard Mendy ruled out of weekend clash against Southampton, confirms Frank Lampard
Mendy has replaced error-prone Kepa as Chelsea's first choice keeper following his £22 million ($28 million) move from Rennes in September.
Mendy picked up the injury during a Senegal training session and has returned to London for assessment by Chelsea's medical team.
Mendy joined Chelsea from French club Rennes on a five-year contract this week, strengthening Lampard's goalkeeping options following Kepa Arrizabalaga's dismal form.
Premier League: Senegal goalkeeper Edouard Mendy on brink of completing Chelsea move, says Frank Lampard
Edouard Mendy was undergoing a medical with the London club, with Lampard indicating the deal should be completed shortly afterwards.
Premier League: Chelsea striker Olivier Giroud, goalkeeper Willy Caballero sign one-year contract extensions
Giroud's existing deal with Chelsea had been due to expire at the end of the current, delayed campaign and he had been linked with a prospective move to Lazio.
Champions League: Serge Gnabry, Robert Lewandowski inspire Bayern Munich to thumping 3-0 win over Chelsea
After scoring four goals at Tottenham in the Champions League group stage, Serge Gnabry added two more against Chelsea to inspire a 3-0 win in the first leg of the round of 16.
Premier League: 'I'm paid to make decisions,' says Chelsea manager Frank Lampard on decision to drop Kepa Arrizabalaga
Lampard defended Arrizabalaga, who cost a world record 80 million euros, earlier this season when the Spaniard was guilty of making critical errors but has benched him in recent matches in favour of 38-year-old Willy Caballero
Premier League: Chelsea denied twice by VAR as Manchester United claim controversial win at Stamford Bridge
With 12 games remaining, seven points separate Chelsea and 11th-place Burnley, with the team finishing fifth also set to earn a place in next season’s Champions League following UEFA’s decision to punish Man City for serious breaches of financial regulations
Premier League: Antonio Rudiger's brace sees Chelsea rescue point in thrilling draw against Leicester City
Centre back Antonio Rudiger scored two headers from set-pieces for Chelsea, first putting the visitors in the lead in the 46th and then equalizing in the 71st
Premier League: Kepa Arrizabalaga has learned from his mistake, says fellow Chelsea goalkeeper Willy Caballero
Chelsea’s Willy Caballero has backed fellow goalkeeper Kepa Arrizabalaga to learn from his mistake in the League Cup final and said the relationship between the duo was still strong.
Premier League: Chelsea manager Maurizio Sarri says dropped Kepa Arrizabalaga still his first-choice goalkeeper
Maurizio Sarri believes Chelsea's crucial 2-0 win over Tottenham can save their season after his decision to drop Wembley rebel Kepa Arrizabalaga paid off on Wednesday.
Premier League: Chelsea goalkeeper Kepa Arrizabalaga fined for defying manager Maurizio Sarri during Carabao Cup final
Chelsea goalkeeper Kepa Arrizabalaga has been fined a week's wages by the club after defying manager Maurizio Sarri and refusing to be substituted during the League Cup final on Sunday.
Carabao Cup: Manchester City edge Chelsea on penalties after goalless final to keep quadruple dreams alive
Chelsea manager Maurizio Sarri insisted goalkeeper Kepa Arrizabalaga's refusal to be substituted was a "misunderstanding" even if the Spaniard should have showed more respect towards his boss as Manchester City retained the League Cup on penalties.
Premier League: Chelsea scamper to get Thibaut Courtois' replacement after goalkeeper fails to return to training
Courtois' failure to report to Chelsea training has heaped pressure on Maurizio Sarri to find a new goalkeeper just two days before the Premier League transfer window closes.
International Champions Cup: Chelsea edge past Inter Milan on penalties to win opening game of pre-season tournament
Chelsea beat Inter Milan 5-4 on penalties as goalkeeper Willy Caballero saved from Milan Skriniar in the shootout following a 1-1 draw in their opening game of the International Champions Cup.
FIFA World Cup 2018: From David de Gea's slip to Cristiano Ronaldo's miss, a look at most glaring errors from group stage
Had Ronaldo scored, Iran's late goal and the much-criticised VAR decision to penalise Cedric Soares for a handball he didn’t commit would not have mattered.
FIFA World Cup 2018: Argentina midfielder Javier Mascherano insists that relations are not strained between coach and players
Argentinian midfielder Javier Mascherano has stated that relations between players and the coach Jorge Sampaoli have not become strained after a 3-0 loss to Croatia.
FIFA World Cup 2018: Here's how Argentina can still qualify for knockout stage despite disappointing loss against Croatia
The Lionel Messi-led Argentina already have one foot out of the World Cup. However, they can still qualify to the last-16.
FIFA World Cup 2018: Argentina's kabaddi team hits out at country's football coach Jorge Sampaoli after Croatia loss
Argentina succumbed to a 0-3 loss to Croatia who moved to the round of 16. It was their worst World Cup group stage defeat in 60 years as the the misery compounded with the great Diego Maradona watching their show from the stands.
Argentina's media stuck the boot into Lionel Messi and his teammates on Thursday, branding the team's World Cup defeat to Croatia a "catastrophe" and a "humiliation".