Sir Gallahad III's son Gallant Fox wins the Triple Crown, and the stallion leads the sire list (for the first of four times). [Later, he led the broodmare sire list 12 times.]

GALLANT FOX
Owner: Belair Stud
Breeder: Belair Stud
State Bred: KY
Winnings: 17 Starts: 11 - 3 - 2, $328,165

Hancock's stallion Chatterton leads the sire list.

CHATTERTON --1919: ch.,H Fair Play-Chit Chat, by *Rock Sand
Owner: Frank J. Kelley
Breeder: August Belmont II
State Bred: KY
Winnings: 32 Starts: 15 - 5 - 4, $26,565

Won: Autumn H., Falls City H., Lafayette Hotel H., Phoenix Hotel H., Louisville Hotel H., Columbus Day H., Decoration Day H.

Leading Sire in America in 1932. Died July 14, 1933.

Hancock leads the list of American breeders in earnings (for the first of five times).

BLENHEIM II --1927: br. H, Blandford - Malva
Owner: A Syndicate in U.S.
Breeder: Lord Carnarvon
Winnings: 10 Starts: 5 - 3 - 0, £ 14,533 ($73,067)

AT 2:
Won New S. (ENG), Hopeful S. (ENG), Manton Plate (ENG), Speedy Plate (ENG); 2nd Middle Park S. (ENG), Champagne S. (ENG) AT 3: Won Derby S. (ENG) - only start at 3

Won First Epsom Derby for HH Aga Khan III, as an 18-to-1 outsider, beating the Aga Khan's Rustom Pasha who was the second favourite at 9-to-2. Entered stud in 1931. Imported to USA (1937).. *Blenheim II was fertile well up into his later years. He died in 1958 at the age of 31 and is buried in the Claiborne Farm stallion cemetery