The Robbie Griffiths and Mathew de Kock stable will unveil their third starter of former US champion galloper Arrogate at Sandown.

Sacredarro makes his debut in the Thoroughbred Club of Australia Plate (1600m) on Wednesday and follows Stormy Grey and Ariana Blue as the third member of the Arrogate Stock to run under the Griffiths and de Kock name.

Arrogate won the Dubai World Cup in 2017 before turning to stud duties the following year, and as his third season at stud was winding down, he was euthanised with an apparent neurological disorder.

Like Ariana Blue and Stormy Grey, Sacredarro was born in the US, but bred to Australian time.

Griffiths explained the ownership group of Sacredarro had wanted race stock by Arrogate.

"Larry Nestadt and the team wanted to get some Arrogates and Larry ended up buying a couple of them with Mike de Kock and partners," Griffiths told RSN.

"He's one that was bred to Australian time, but he's a late foal, November 17, but a really nice horse and you'll be impressed when you see him in the yard.

"Being a staying horse, he's taken a little time to develop, and he's got a lot more development ahead of him and he'll run over a lot further than the 1600 metres."

Griffiths said Both Ariana Blue and Stormy Grey were not seen at their best until stepping out in distance.

Stormy Grey won her maiden over 2520m at Cranbourne while Ariana Blue was retired with a knee complaint after winning a maiden over 2200m at Pakenham.

Sacredarro has had four jump-outs at Cranbourne in preparation for Wednesday's debut.

His most recent was over 1200m on May 6, finishing third behind stablemate Do You Think So, a debut winner at Benalla in February in his only appearance.

"He's a very nice horse and we're very pleased with him," Griffiths said.

"We think he'll give us a nice run on debut, but whether he's sharp enough to win at 1600 metres will be the question."