Tom Marquand was first choice for the up and coming Ed Walker-trained sprinter but Murphy will have the mount as Marquand is required to ride Nahaarr.
As part of the Maktoum family entourage, Al Shaikh was present at Epsom for the triumphs of Nashwan in 1989, Erhaab (1994) and Lammtarra (1995).
The lowdown on five key players in the race for the 2021 title: Oisin Murphy, William Buick, Ben Curtis, Hollie Doyle and Tom Marquand.
The takeaway from Saturday in Sydney – with video, quotes, reaction, plans and the best of the tweets.
Champion Stakes winner will have a change of headgear when he seeks to land back-to-back editions of the A$4m Queen Elizabeth Stakes at Randwick.
Along with younger brother Sheikh Mohammed, the UAE finance minister and deputy ruler of Dubai transformed racing in Britain.
Aussie supermare lands eighth G1 success with a one-length victory over Champion Stakes hero in Ranvet Stakes at Rosehill.
Champion Stakes winner has third head-to-head with top mare Verry Elleegant, who has won four G1s since their last clash.