Boersma

What kind of sire will Horse of the Year Flightline turn out to be? The first hints are right around the corner. Greenwell (Flightline) will make his debut Friday at Churchill Downs in the fifth race for trainer Mark Casse. He will be the first offspring of Flightline to start in North America. The next day, the filly House Boat Party (Flightline), will run in the sixth race at Churchill for trainer Brian Lynch. She will be the first Flightline filly to start in the U.S. Both races are at...