Godolphin also on the mark at Belmont Park with Yibir in $1m Jockey Club Derby Invitational.
The 1m4f race is the final leg of the NYRA’s Turf Triple series for males, of which the Aidan O’Brien-trained Bolshoi Ballet won the first leg in July.
The issue was discovered after the four-year-old underwent tests after going down by a head to Max Player on his return from a layoff.
Ryan Moore partners much-hyped Ballydoyle stablemates to their first G1 successes in Belmont Derby and Oaks.
Read what the trainers say as Santa Barbara and Bolshoi Ballet represent Aidan O’Brien at Belmont Park.
Aidan O’Brien is looking for his second victories in both the $1m Belmont Derby and Belmont Oaks.
Breeders’ Cup Classic is still the target after narrow defeat on return from three-month layoff after Meydan.
Godolphin four-year-old faces Jockey Club Gold Cup conqueror Happy Saver in Breeders’ Cup Classic ‘Win and You’re In’ qualifier.