So You Think is to retire next September to join the Coolmore Stud roster in Australia.
The Aidan O'Brien-trained six-year-old was last seen finishing fourth to Monterosso in the Dubai World Cup. Last year the ex-Australian entire won three Group Ones for O'Brien, including the Irish Champion Stakes at Leopardstown. In total, he won 12 of his 21 races.
Coolmore wrote on Twitter: "New stallions to consider when buying a mare next week - So You Think will join the roster in Sept after racing, Musir, Zoffany & Uncle Mo."