Derek Leung stars at Sha Tin with a treble as The Rock takes Saturday's feature Derek Leung stars at Sha Tin with a treble as The Rock takes Saturday's feature by Leo Schlink (HKJC) Jockey Derek Leung (right) celebrated a treble on Saturday Image: Getty Images Celebrating his first treble in almost a year, Derek Leung identified the virtues of hard work and vital stable support after taking riding honours at Sha Tin on Saturday (6 February). Leung’s treble contained a dead-heat aboard Fairy Floss with leading jockey Joao Moreira (Dragon Commander) in the Class 5 Hung Shui Kiu Handicap (dirt, 1650m) and two outright successes on Pleasant Endeavor for Ricky Yiu and Judy’s Star for Paul O’Sullivan.