He was the top money-winner of 1904 and was consequently named the co-historical American Champion Three-Year-Old Male Horse with Ort Wells.

[3] His record improved as a three-year-old, notably securing the 1904 Belmont Stakes from Graziallo in a time of 2:061⁄2 over a distance of 11⁄4 miles.

Delhi also won the Brooklyn Handicap as a four-year-old, but he only made three, unplaced starts as a five-year-old before being retired by Keene.

1909 out of Gingham by Domino), the first American-bred horse to win the Lincolnshire Handicap run at Doncaster Racecourse in Britain.

[11] McKinney partnered with steel-magnate and noted turfman James C. Corrigan to form the Wickliffe Stud, which also housed Colin and Ultimus until the entire stable was dispersed in 1918.

[17] His daughter Tripping produced the 1920 Futurity Stakes winner Step Lightly, a filly whose photograph is often mistaken for Man o' War.