code: def read_xml(cls, url, features, game, players):
          
          soup = MlbamUtil.find_xml("".join([url, cls.FILENAME]), features)
          return cls._generate_object(soup, game, players)
docs: read xml object
          :param url: contents url
          :param features: markup provider
          :param game: MLBAM Game object
          :param players: MLBAM Players object
          :return: pitchpx.box_score.box_score.BoxScore object