article_snippet.sent: Beaten: The trailer shows a muscular Gyllenhaal bloodied and bruised by an opponent in the boxing ring .
article_snippet.sent: Gyllenhaal also attended several boxing matches to watch how real fighters move in the boxing ring . '
article_snippet.sent: The recent trailer opens with Gyllenhaal's understatement: 'I expected a hard fight.
article_snippet.sent: Adrenelin: Gyllenhaal plays Billy Hope, a boxer who allows himself take punches to fire himself up .
article_snippet.sent: The reason Gyllenhaal's character allowed Gyllenhaal's character to take the beating in the first place is then explained. '
article_snippet.sent: The more you get hit the harder you fight, I get The,' Gyllenhaal's character says. '