Jose Mourinho may soon question Chelsea's decision not to operate on Diego Costa after the player's struggles in pre-season.
This has been reported by the Telegraph, who claim that the Blues boss is frustrated with Diego Costa's hamstring problems.
The Brazilian-born, Spanish international, of course, failed to maintain his fitness in the latter stages of the 2014/15 campaign, but the same report from the Telegraph claims that Mourinho was advised that the forward wasn't in need of surgery ahead of this season.
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Costa, though, despite featuring in the Blues' Premier League opening-day draw with Swansea, was unavailable for the club's Community Shield showdown with rivals Arsenal and their final pre-season clash with Italian outfit Fiorentina.
It appears, then, that if Costa continues to struggle for fitness, Mourinho could continue to vent his frustrations after publicly criticising club-doctor Eva Carneiro after the game with the Swans.
Costa fitness key
And, let's be honest, you can hardly blame Mourinho for becoming frustrated with the Costa debacle. At the end of the day, the former Atletico Madrid man is crucial for the Blues if they are going to retain their title this term.
When fit last time round, the striker was a force to be reckoned with in west London, and the Blues need him to perform once again this season.
Ultimately, neither of Radamel Falcao or Loic Remy are quite up to the standard of Costa, so it looks set to be an interesting couple of weeks and months at Stamford Bridge.
Do you expect Costa to stay injury free? Have your say below!
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