Monterosso, owned by Dubai ruler Sheik Mohammed bin Rashid al Maktoum, is back to try for a second straight World Cup win.

WSJ: 13 horses running in world's richest horse race

Godolphin, the stables owned by Dubai ruler Sheik Mohammed bin Rashid al Maktoum, has five entrants, including 2012 winner Monterosso, who has struggled of late.

WSJ: Americans eye win at world's richest horse race

The BHA found that Al Zarooni administered steroids to 15 horses of the stable, which is owned by Dubai's ruler Sheik Mohammed bin Rashid al Maktoum.

WSJ: Horse-Racing Body to Review Steroids Policy