So You Think confirmed for Dubai World Cup So You Think has been confirmed "a definite runner" in the Dubai World Cup next Saturday - as long as his transferral to the United Arab Emirates goes smoothly. The Aidan O'Brien-trained six-year-old will be ridden by Joseph O'Brien, the trainer's son, in the richest Flat race in the world at Meydan. Coolmore's giant Australian recruit, a winner of eight top-level races, is today due to fly out to Dubai. "So You Think - all being well heads to Dubai on Sunday," read a Coolmore tweet. "If he travels well & Aidan's happy then he is a definite runner. "Jockey J O'Brien."