Shaune Ritchie and Colm Murray took out the 2023 edition of the A$304,000 Jericho Cup (4600m) at Warrnambool with Nassak Diamond (Roc de Cambes), and on Sunday they will be seeking to usurp their former stable runner in the marathon feature with Tempest Moon (NZ) (Turn Me Loose). Ritchie is in Australia with the daughter of Turn Me Loose, who like Nassak Diamond, carries the familiar silks of owner The Oaks Stud. The Cambridge trainer is excited to be back in Warrnambool and said the city gets in behind the…