Stewards to probe Waterhouse betting as Singo row rages on STEWARDS will look to establish whether bookmaker Tom Waterhouse had "privileged information" before More Joyous's dismal performance as the turf war between his trainer mother and owner John Singleton rages. Singleton yesterday removed all seven of his horses from Gai Waterhouse's stables at Randwick after a public row with the trainer on Saturday, when he claimed he had been told by friends her son Tom was aware of a problem with More Joyous, who finished second-last in the Group I All Aged Stakes.