Magnesium

The horse was trained to its first win back in May at Kempton Park, and there is something to note about that track — Magnesium has now won twice there, which suggests the course suits it. John Butler's yard at Newmarket has sent out 39 winners this season, so Magnesium is part of a strong operation with real momentum. The most recent form reads 1-10-18-1-7, meaning Magnesium won, then ran 10th, then 18th, then won again, then finished 7th. That wobble in the middle — the 18th-place finish — might just be a blip as the horse found its feet, because the two wins either side show genuine promise. It raced just yesterday, so it is very much an active runner.

For a two-year-old still early in its career, Magnesium has already shown enough to be worth watching. Two wins in five races is the kind of win rate that suggests a trainer has found something worth nurturing.