Pedigree Handicapping: Later maturing sires' offspring

March 31, 2007 by Tim Holland Brisnet - Much has been written about sires that produce precocious runners and have a high win rate with their first-time starters. Indeed, debutants by such stallions as Five Star Day, Successful Appeal or Yes It's True are popular with horseplayers who follow stallion statistics. However, there are also profits to be made by knowing which sires' offspring need "seasoning," or a race or two before they can show their best form.