SADLER’S Wells (by Northern Dancer) has had a profound impact on both flat and National Hunt racing and, up to Monday night, five of his sons are among the top 10 sires of jumpers so far this season.

Each of the quintet: King’s Theatre, Milan, Oscar, Kayf Tara, and Old Vic - is or was aimed primarily at the National Hunt industry, but his male line descendant who supplied the winner of the Grade 2 Lismullen Hurdle at Navan last Sunday is a notably successful flat sire.