There are few areas in which any stallion can topple Galileo (Ire). It was only last year, however, that the champion sire drew level with his erstwhile stud-mate Montjeu (Ire) by number of Derby winners. The two sons of Sadler's Wells now have four apiece—and one Derby-winning paternal grandson each—but Montjeu was much quicker off the mark in this field and, following his death in 2012, he has not been represented by Classic-generation runners at Epsom in the last three years. As the Cheltenham Festival begins its four-day run today,...