article_snippet: former team-mate Diego Costa desire to win is so great that even in a simple training game the fiery striker will play on the edge, according to former team-mate Toby Alderweireld.
article_snippet: That's his mentality,' the Belgium international told The Sun. '
article_snippet: Outside the field his's totally different, his's a very nice guy, good to the supporters, never in a fight, always laughing.
article_snippet: It's strange to see his change on the field, because of his desire to win. '
article_snippet: Even on the training pitch, just in an easy game, four against four, his's always on the line, and his desire to win is so big that sometimes his goes over it. '
article_snippet: it happened a lot at Atletico because the training was so crazy.'
highlights_snippet: Belgium international puts Belgium international down to former team-mate Diego Costa's desire to win .