István Kovács

István Kovács is not mentioned in the provided news articles. The articles primarily focus on a Champions League match between Barcelona and Atlético de Madrid, discussing Barcelona's defeat and their struggle in the competition. The articles highlight the team's misfortune, including a red card and the resulting impact on the game. There is no information available about István Kovács or his relevance to the events described in the articles. Therefore, it's impossible to provide any details about him based on the given context.