Chelsea midfielder John Obi Mikel believes that team-mate Diego Costa can continue to get even better after a strong start.
Costa struggled to keep his form consistent last term as the Blues endured a torrid campaign both on and off the field.
However, the Spain international has made a strong start to this season after netting four times and providing one assist in four outings.
Mikel believes that there is still a lot more to come from Costa and has backed him to improve his performances.
“I definitely think he can get even better," Mikel said.
“He can score more goals, he can help the team even more, but Diego is a player that likes to fight and doesn’t give up.
“He knows that everyone had a bad season last year so I think this season he is trying to prove people wrong, and he has started well and hopefully he will have a very good season."
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