Riding Windfields Farm's colt New Providence, in 1959 he won Canada's most prestigious race, the Queen's Plate.
The horse went on to win the Canadian Triple Crown, although Avelino Gomez took the mount for the final two legs.
In 1960, he won the Hopeful Stakes aboard that year's Eclipse Award 2-year-old champion, Hail To Reason.
[5] In 1967, Ussery won the Kentucky Derby on Proud Clarion[6] and finished first in 1968 aboard Dancer's Image.
[7] However, phenylbutazone, a substance banned in Kentucky at that time but later sanctioned after it was proven not to affect a horse's performance, was found in Dancer's Image's post-race urine test.