Hong Kong-based superstar jockey Brett Prebble will ride several David Hayes trained runners at Sat's Blue Diamond meeting at Caulfield. He replaces the suspended Glen Boss. Prebble will be on Evidentia in the Grp 1 Blue Diamond, Changingoftheguard in the Grp 2 St George Stakes (1800m) and Irish Lights in the Grp 2 Angus Armanasco Stakes (1200m). He'll also ride Eagle Falls in the Grp 1 Oakleigh Plate (1100m).Problem looms...Newmarket prospect All Silent has some minor bruising which may put his

Hong Kong-based superstar jockey Brett Prebble will ride several David Hayes trained runners at Sat's Blue Diamond meeting at Caulfield. He replaces the suspended Glen Boss. Prebble will be on Evidentia in the Grp 1 Blue Diamond, Changingoftheguard in the Grp 2 St George Stakes (1800m) and Irish Lights in the Grp 2 Angus Armanasco Stakes (1200m). He'll also ride Eagle Falls in the Grp 1 Oakleigh Plate (1100m).

Problem looms...Newmarket prospect All Silent has some minor bruising which may put his autumn campaign in jeopardy. He had to be scratched from a Cranbourne trial on Monday morning. Trainer Grahame Begg had him in a in a 990m trial but what is described as 'minor bruising' meant the gleding could not run. The problem is said to be in a heel.

Tuesday's Hawkesbury meeting has been abandoned due to the rain-affected state of the track.