O'Sullivan eyes eighth snooker world title amid more retirement talk

O'Sullivan threatening to quit snooker is almost as much of an annual event as the World Championships -- which start on Saturday -- themselves, but it's not one officials can disregard lightly given the 48-year-old Englishman remains the sport's biggest drawcard. O'Sullivan has won both the UK Championships and the Masters, snooker's next two most important tournaments, this season but remains unsatisfied with his own form. Days out from his latest attempt to break the mark of seven world titles he shares with Stephen Hendry...