Group success for sires Written Tycoon and Not A Single Doubt offspring – why pedigree matters

Sires Not A Single Doubt and Written Tycoon have been on fire lately, producing winners weekend after weekend. Having a winner at any track is impressive, but having a winner at a city track, on a Saturday race meet, and in a group race, it really is something else. And this is why pedigree matters.  The latest Group 1 win for sire Written Tycoon came on Saturday as 4YO mare Booker won her first Group 1 race at Caulfield Racecourse, making it an impressive 7 Group 1 wins for sire Written Tycoon. For sire Not A Single Doubt, 3YO filly…