Rombauer, a 14/1 shot, prevailed by three and a half lengths from Midnight Bourbon and Medina Spirit - the controversial Kentucky Derby winner - in third place to give Prat his first win at the racing track.
As Rombauer began to mount his challenge, McCarthy's belief grew that victory was in his grasp.
Bob Baffert's Medina Spirit, sent off the 5-2 favourite, tried to make all - having been allowed to run in the second leg of the Triple Crown despite testing positive for 21 picograms of the anti-inflammatory drug betamethasone following his Kentucky Derby win.
He made a bold bid but was unable to repel first Midnight Bourbon and then the winning run of Rombauer.




