Go behind the scenes and hear from dual Hall of Fame trainer Mark Casse as champion filly Nitrogen prepares to face males in the Aug. 8 Whitney Stakes (G1).
Johanna Walsh built on the promise of her Ribblesdale Stakes (G2) runner-up effort with classic glory in the Irish Oaks (G1) July 18 at the Curragh. She is the 26th individual group 1 or grade 1 winner for her sire, the brilliant Sea The Stars.