Jose Mourinho believes Diego Costa will now return to his blistering best after failing to score on his return to Chelsea action. The 26-year-old started his first game for the Blues since exasperating a hamstring injury while on international duty in October, but registered his first Premier League blank at Stamford Bridge. Mourinho believes, however, Costa was struggling pyschologically and has warned Saturday's opponents Liverpool it is only a matter of time before he returns to the form which has seen him score nine goals in eight Premier League starts. "A muscular injury doesn't just affect your body but also your brain, because after that you are afraid of reactions," the...
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