Unexposed filly can overturn market leaders in competitive Rockfel

3.00 Newmarket
Buy at 11 on the index

There isn't much to separate the nine runners in this year's Group 2 Rockfel Stakes, but I'd always rather support the unexposed runners over those with less improvement in the locker, which brings me to Richard Hannon's Canton Queen.

The daughter of Shamardal has had just two starts – building on her debut eighth at the July course in August by hacking up in what was an above-average novice contest at Leicester last time out under Tom Queally.