Chelsea's Diego Costa celebrates scoring a goal against Arsenal during their English Premier League soccer match at Stamford Bridge in London October 5, 2014.
Chelsea's Diego Costa celebrates scoring a goal against Arsenal during their English Premier League soccer match at Stamford Bridge in London October 5, 2014. REUTERS/Eddie Keogh

Spanish national team doctor Juan Jose Garcia Cota belied Jose Mourinho's claim that Chelsea striker Diego Costa aggravated his hamstring injury during the previous international break.

The 26-year-old has since missed one Champions League match and two Premier League fixtures, including the recent 1-1 draw against Manchester United wherein his presence was sorely missed as the Blues struggled to be a constant threat in front of the net throughout the game.

"This time he didn't say anything about the hamstring. When Costa arrived to the international team he said to us he had a minor hassle in the groin but that it was nothing important," said Garcia.

"He probably had played with it before for Chelsea and he didn't complain any more about it during the international duty."

"He was treated by the physios and didn't have any limitations when doing exercises."

"I wouldn't even say it was an injury or a problem. It was a very minor hassle that is very common in every professional footballer."

"He didn't even ask for treatment and didn't require a scan or anything similar."

Meanwhile, Costa might be able to see action on Saturday against Queens Park Rangers as confirmed by Mourinho through Chelsea's twitter page.

Mourinho says that 'normally' Diego Costa and Ramires will be available for our game against QPR. #CFCLive

— Chelsea FC (@chelseafc) October 28, 2014

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