Mike de Kock attempts to halt the Aidan O’Brien bandwagon in Chicago on Saturday when his Archipenko locks horns with Mount Nelson in the Arlington Million.

Excellent Art, Ramonti and Asiatic Boy have stood their ground at the final declaration stage for the BGG Sussex Stakes.

Peter Chapple-Hyam’s hot favourite Authorized heads a field of 19 for Saturday’s Vodafone Derby at Epsom, after none of the five-day confirmations were withdrawn.