Three professional football players in Australia have been arrested on suspicion of betting corruption, New South Wales police said on Friday. An investigation was opened in December after allegations of yellow card manipulation by players of a south-western Sydney football club, police said. “Investigations revealed a senior player was allegedly taking instructions from a man – believed to be offshore in South America – to organize for yellow cards to occur during certain games in exchange for profit.” Yellow cards were allegedly manipulated during games in November and December. Failed attem…