SINGAPORE (Reuters) - Fed up of playing in front of sparse crowds in Singapore's poorly attended S.League, players from Balestier Khalsa are going door-to-door to try to drum up their fan base. "The more often the players go knocking on doors, the higher the chances of them becoming familiar with residents," Balestier chairman S Thavaneson told Monday's Today newspaper. "Who knows, they may become curious and decide to watch a game or two. ...