article_snippet: And off-message French defender Jeremy Mathieu admitted as such in an interview with French radio saying that Messi had indeed had a heated argument with Barcelona’s manager Luis Enrique in a training session before the first game of the year.
article_snippet: French defender Jeremy Mathieu (left) admitted Messi and Enrique had a heated argument during training .
article_snippet: Messi (right) laugh during training on Tuesday ahead of What most upset squad members at the start of the year meeting with City .
highlights_snippet: Luis Enrique and Lionel Messi fell out on the training ground .
  