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Chelsea striker Diego Costa faces a race against time to be fit for Saturday's Premier League trip to Everton , manager Jose Mourinho said on Friday.
Costa, who scored in Chelsea's league victories over Burnley and Leicester City, picked up a muscle injury in training this week.
"We are trying everything for him to play tomorrow," Mourinho told reporters. "He didn't train for the last two days, but today is the last day and we must make a decision to select him or not.
"He has to try a light training session to see if the reaction is positive. If it is we take him to Everton to play or be on the bench; if the reaction is not positive today then obviously we don't select him."
Show all 22 1 /22Burnley 1 Chelsea 3 player ratings Burnley 1 Chelsea 3 player ratings Burnley: Tom Heaton Couldn’t do anything with the first two goals, but may have done better with the third; he was rooted to his line allowing Branislav Ivanovic a simple tap in from inside the six-yard box. May have given away a penalty as well. 6/10
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Burnley 1 Chelsea 3 player ratings Kieran Trippier Chelsea did well to stop the man who notched 14 assists in the Championship last season, but the defender can be proud of his defensive work; he was not overawed at the prospect of facing Eden Hazard. 7
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Burnley 1 Chelsea 3 player ratings Jason Shackell The Burnley skipper was outclassed by some of the movement of Chelsea’s front three. He’ll face much easier tests than the one he had here, however. 6
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Burnley 1 Chelsea 3 player ratings Michael Duff As with Shackell, Duff is clearly not used to playing against players with the talent of Costa, Schurrle and Hazard. 6
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Burnley 1 Chelsea 3 player ratings Ben Mee Tried hard to get up and down from left-back but did not know what to do with Schurrle, two goals come from his side but he could have had better cover. 5
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Burnley 1 Chelsea 3 player ratings Scott Arfield Showed wonderful technique to smash Burnley into a 13th-minute lead, and forced Courtois into a flying save early in the second-half. A tireless worker and Burnley’s best performer. 7
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Burnley 1 Chelsea 3 player ratings David Jones Worked his socks off but couldn’t get near to Fabregas or Matic. 5
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Burnley 1 Chelsea 3 player ratings Dean Marney Much the same as above, he just couldn’t keep up with two world class midfielder – but that’s nothing to be ashamed of. 5
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Burnley 1 Chelsea 3 player ratings Matthew Taylor Was brought in to add experience to this young Burnley squad, but was mostly unable to keep up. 5
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Burnley 1 Chelsea 3 player ratings Lukas Jutkiewicz Won his fair share of aerial balls but lacks pace at this level. His and Ings partnership could bear fruit down the road, however. 6
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Burnley 1 Chelsea 3 player ratings Danny Ings A real jack in the box, Ings will get goals in this division through sheer effort – he’s always on the move and had a couple of half-chances that he may well finish against lesser opposition. 7
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Burnley 1 Chelsea 3 player ratings Chelsea: Thibaut Courtois Could do nothing with the goal and looked assured throughout his debut, plucking balls out of the air with an easy confidence. Pulled off an excellent save to keep Chelsea two in front. 8/10
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Burnley 1 Chelsea 3 player ratings Branislav Ivanovic A constant threat down the right, providing the pass that brought the Fabregas pass, before turning in from a corner. Solid as ever. 8
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Burnley 1 Chelsea 3 player ratings Gary Cahill A largely comfortable evening for the England centre-back, though Ings frantic movement did cause him a problem or two. 6
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Burnley 1 Chelsea 3 player ratings John Terry Still as good as he’s ever been, won near enough everything in the air and let nothing come past him at the near post. 7
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Burnley 1 Chelsea 3 player ratings Cesar Azpilicueta It will be interesting to see what Mourinho does now with the Spaniard. A solid if unspectacular performance. 6
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Burnley 1 Chelsea 3 player ratings Cesc Fabregas The star man, running the show from the first to the last minute with a spellbinding performance. Set the tempo and provided two assists, one a breath-taking pass, on debut. 9
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Burnley 1 Chelsea 3 player ratings Nemanja Matic Provided the steel in midfield that has been lacking sicnce the departure of Claude Makelele and the decline of Michael Essien. Set for a brilliant year. 8
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Burnley 1 Chelsea 3 player ratings Oscar Looked slightly out of place compared to Chelsea’s other stars, he may have been solid but he rarely shined and wasted a couple of good positions with wayward shooting. 5
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Burnley 1 Chelsea 3 player ratings Andre Schurrle No World Cup hangover for the German, he was full of energy and running all night, getting the goal he deserved. 7
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Burnley 1 Chelsea 3 player ratings Eden Hazard Largely second fiddle to Fabregas, Hazard was not needed by the Blues in the same way they relied upon him last year. Still showed the silky skills and pace we are used to. Didier Drogba made his return in coming on for the Belgian. 7
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Burnley 1 Chelsea 3 player ratings Diego Costa Quietened down in the second half but no matter, Chelsea’s new striker got a goal on his debut. He was booked for diving but despite his awkward-looking fall, it may have been a penalty. 8
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Spain international Costa, who was born in Brazil, joined Chelsea last month for £32m from Atletico Madrid.
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