A filly who landed a provincial betting plunge at her first start will be out to convince her trainer she is a spring prospect when she races at Rosehill on Saturday.Slow The Flow will make her city debut on the back of $12 to $5 Newcastle coup with trainer Matthew Smith confident the two-year-old can fill a spring void left by his Flight Stakes placegetter Hurtle Myrtle."Hurtle Myrtle is in the paddock and will more than likely be out of the spring," Smith said."Hopefully if Slow The Flow can r

A filly who landed a provincial betting plunge at her first start will be out to convince her trainer she is a spring prospect when she races at Rosehill on Saturday.

Slow The Flow will make her city debut on the back of $12 to $5 Newcastle coup with trainer Matthew Smith confident the two-year-old can fill a spring void left by his Flight Stakes placegetter Hurtle Myrtle.

"Hurtle Myrtle is in the paddock and will more than likely be out of the spring," Smith said.

"Hopefully if Slow The Flow can run well on Saturday it will give me an indication of where she fits into the scheme of things.

"If she can be competitive then I'm thinking we could have a nice filly for the spring."

Slow The Flow, a daughter of Hussonet raced by billionaire businessman Gerry Harvey, has a pedigree to suggest stakes success isn't a pipedream.

Her great grand-dam is the Group One placegetter Fitting, the dam of eight winners including 1999 Golden Slipper hero Catbird.

"Being by Hussonet, I'm hoping she will be able to run a mile (1600m)," Smith said.

"If she can get a distance like that it would open up plenty of options for her later on."

Slow The Flow's preparation for Saturday's Perfection Fresh Inglis Bonus Handicap (1200m) has included a Warwick Farm barrier trial win.

"She box-seated in the trial and did the job well," Smith said.

Corey Brown, trying to chase down Nash Rawiller in the Sydney jockeys' premiership, will ride Slow The Flow.

Brown is five wins behind the Gai Waterhouse-aligned jockey.

He has an undeniable chance to reduce Rawiller's advantage with a full book of rides.

Rawiller, who will be crowned Australia's leading Group One jockey for the second consecutive season, will have just three Rosehill mounts.

His Rosehill book has been affected by Waterhouse's skinny representation.

The holidaying trainer has just one runner - Forward Love - but Rawiller was never a contender to ride her at 53.5kg.

Rawiller's modest book includes two rides for Chris Waller, the go-ahead Rosehill trainer who has passed Waterhouse to move into second place behind Peter Snowden in the Sydney trainers' premiership race.