Chelsea striker Diego Costa had "a moment of weakness" when he left the Atletico Madrid for Stamford Bridge in the summer, the president of the Spanish champions has said.

Costa, who was also a Champions League runner-up with the Rojiblancos last season, moved to London in a 32 million-pound deal after hitting 35 goals in their dazzling campaign.

The Spain international, who was also a Champions League runner-up with the Spanish club last season, moved to London in a 32 million-pound deal after hitting 35 goals in their dazzling campaign.

Enrique Cerezo said his departure had come in "a moment of weakness" and said his club received "less than what had been discussed" for Costa, who has already scored nine times for Premier League leaders Chelsea.