Doug O'Neill, trainer for I'll Have Another, walks to the track during training at Belmont Park in Elmont, N.Y., on Thursday, June 7, 2012. I'll Have Another, the winner of the Kentucky Derby and Preakness, will attempt to win the Belmont Stakes and Triple Crown on Saturday. (AP Photo/Mike Groll)

Doug O'Neill, trainer for I'll Have Another, talks to a reporter at Belmont Park in Elmont, N.Y., on Thursday, June 7, 2012. I'll Have Another, the winner of the Kentucky Derby and Preakness, will attempt to win the Belmont Stakes and Triple Crown on Saturday. (AP Photo/Mike Groll)

Trainer D. Wayne Lukas, right, rides a horse after watching his Belmont Stakes entrant Optimizer workout at Belmont Park, Thursday, June 7, 2012 in Elmont, N.Y. Lucas was kicked in the forehead earlier in the week and has a scar over his left eye. (AP Photo/Mark Lennihan)

I'll Have Another, with exercise rider Jonny Garcia up, trains at Belmont Park, Wednesday, June 6, 2012, in Elmont, N.Y. The winner of the Kentucky Derby and Preakness will attempt to win the Belmont Stakes and Triple Crown on Saturday. (AP Photo/Mark Lennihan)

Trainer Bob Baffert talks with reporters at Belmont Park, Thursday, June 7, 2012 in Elmont, N.Y. Baffert's horse Paynter is entered is Saturday's Belmont Stakes.(AP Photo/Mark Lennihan)

Doug O'Neill, trainer for I'll Have Another, leaves a barn after training at Belmont Park in Elmont, N.Y., on Friday, June 8, 2012. I'll Have Another, the winner of the Kentucky Derby and Preakness will attempt to win the Belmont Stakes horse race and Triple Crown on Saturday. (AP Photo/Mike Groll)

Dullahan gets a bath after training at Belmont Park in Elmont, N.Y., on Friday, June 8, 2012. The Belmont Stakes horse race is Saturday. (AP Photo/Mike Groll)

Doug O'Neill, trainer for I'll Have Another, talks to a reporter at Belmont Park in Elmont, N.Y., on Thursday, June 7, 2012. I'll Have Another, the winner of the Kentucky Derby and Preakness, will attempt to win the Belmont Stakes and Triple Crown on Saturday. (AP Photo/Mike Groll)

Doug O'Neill, trainer for I'll Have Another, walks to the track during training at Belmont Park in Elmont, N.Y., on Thursday, June 7, 2012. I'll Have Another, the winner of the Kentucky Derby and Preakness, will attempt to win the Belmont Stakes and Triple Crown on Saturday. (AP Photo/Mike Groll)