Complex sentence: Officials were told by journalists about speculation that an Australian player was having financial dealings with bookmakers, after Mark Ray of the "Sunday Age" received an anonymous letter alleging that Waugh and Warne were being paid by a bookmaker for information.
Split into simpler sentences: Officials were told by journalists about speculation that an Australian player had been having financial dealings with bookmakers. This came after Mark Ray of the "Sunday Age" received an anonymous letter alleging that Waugh and Warne were being paid by a bookmaker for information.