Murphy backs Satire's class but admits stamina question

SECRET NO LONGER: Secret Satire wins the Musidora Stakes in the hands of Oisin Murphy. Picture: Mike Egerton/PA 

Oisin Murphy believes Secret Satire has enough quality to get involved at the finish of Friday's Betfred Oaks, if her stamina lasts out at Epsom.

The Andrew Balding-trained filly was a surprise winner of the Musidora Stakes at York, often a key trial for the Oaks.