Mourinho: Costa lacking in confidence
The 27-year-old's display in Europe pleased the Blues boss, despite the striker failing to score, who hailed his "effort, commitment and great movement"
Chelsea manager Jose Mourinho praised striker Diego Costa after their 2-0 victory over Porto in the Champions League and believes only confidence is missing in the striker's game.
Costa's struggle for goals continued as Mourinho's men reached the last 16 in the Champions League with a 2-0 win over Porto on Wednesday.
Chelsea 2-0 Porto
The Spain international was involved in a row with the manager in November and has scored just four goals in all competitions this season, yet Mourinho was happy with his display on Wednesday.
"It's clear but what is also clear is his effort, commitment and great movement, which is something he hasn't had in the last couple of months. Tonight it was great," he told reporters.
"The first goal was obviously an own goal but his movement was great when the pass arrived. Last season he would have scored immediately but this season he couldn't.
"With the second chance when he faced the keeper on his own, you could immediately feel the lack of confidence because the first thing he did was not attack the goal but look to the linesman.
"When he did that he lost an important second and his last touch on the ball was not the best.
"He could have scored two or three goals today. There is a lack of confidence, clearly, but his attitude was very good and his movement was much better, so goals are coming.
"I took him off not because I was unhappy with his performance but to give something different to the team, to attack the spaces with faster people."
Mourinho maintains belief in Chelsea's chances of finishing in the Premier League's top four, despite being 14 points behind Manchester United.
"The Premier League boss said in an interview it would be good for the league if Chelsea were not champions," he said.
"But he didn't say it's not good for the Premier League if Chelsea finish fourth, so while mathematically it's still possible let’s fight for every game and every point and see if it’s possible to finish fourth."