A trainer who once chauffeured Nash Rawiller around Victoria's racetracks is in no position to be as accommodating when their careers cross paths at Warwick Farm on Saturday.

Wez Hunter, a racing industry jack-of-all-trades, is hoping his training ambitions will be boosted at the expense of Rawiller's Sydney jockeys' premiership chances.

The Mornington trainer brings last-start Warrnambool winner Mio Dio to Sydney to run in the Share Care Congrats Chris Waller Handicap (1400m), confident the two-year-old is a better chance than his $31 quote suggests.

"He wants soft tracks and seven furlongs and he gets both on Saturday," Hunter said.

"I think he's a good chance."

As the only odds-on favourite at the meeting, Pitcrew looks an obvious standout for Rawiller.

But if Hunter is right, Rawiller, 7-1/2 wins behind Hugh Bowman in the jockeys' title, might have to re-assess his returns from his Warwick Farm book.

Hunter is making some headway with a small string of racehorses and an interstate win could be a turning point in a career which started as a trackwork rider and has included time as a jockey manager.

"I managed Brad Rawiller and a couple of other jockeys before it was the in-thing and I used to drive Nash to the races all the time," Hunter said.

But seven winners this season working off a base of an average of five horses in work has given Hunter reason to be optimistic about his future as a trainer.

"I love training but I just need more horses," he said.

Although he will also have a runner at Caulfield on Saturday and another one Sandown on Sunday, Mio Dio represents his best chance of the trio.

It's no surprise then his Sydney excursion was planned with anticipation and foresight.

"From Mornington to Warrnambool it's about a four-hour drive and on the way down I was already thinking about options for his next start. I was pretty confident," Hunter said.

"It turned out the only race for him down here was in a couple of weeks at Flemington so the Warwick Farm race fits in perfectly."