138th Kentucky Derby race

With the barns in the background, Bodemeister leads the field down the backstretch during the 138th Kentucky Derby on Saturday in Louisville.  (Jayme Price / Getty Images)

Dullahan, with Kent Desormeaux aboard, leads the field into the first turn during the 138th Kentucky Derby on Saturday at Churchill Downs in Louisville.  (Elsa / Getty Images)

I’ll Have Another, with jockey Mario Gutierrez, pulls away from the field as he tries to catch Bodemeister and Mike Smith in the 138th Kentucky Derby on Saturday in Louisville.  (Matthew Stockman / Getty Images)

Jockey Mario Gutierrez guides I’ll Have Another to victory in the 138th Kentucky Derby on Saturday at Churchill Downs.  (Morry Gash / Associated Press)

Jockey Mario Gutierrez rides I’ll Have Another to the finish line and victory in the 138th Kentucky Derby on Saturday at Churchill Downs.   (David J. Phillip / Associated Press)

Jockey Mario Gutierrez reacts after I’ll Have Another chased down Bodemeister, with Mike Smith aboard, for the victory in the 138th Kentucky Derby on Saturday at Churchill Downs.  (Rob Carr / Getty Images)

Trainer Doug O’Neill (center) celebrates with friends after I’ll Have Another won the 138th Kentucky Derby on Saturday in Louisville.  (Rob Carr / Getty Images)

Jockey Mario Gutierrez begins to celebrate after riding I’ll Have Another to victory in the 138th Kentucky Derby on Saturday in Louisville.  (Rob Carr / Getty Images)

The sun shines brightly on jockey Mario Gutierrez after he rode I’ll Have Another to the win in the 138th Kentucky Derby on Saturday in Louisville.  (Andy Lyons / Getty Images)

Trainer Doug O’Neill, left, and owner J. Paul Reddam celebrate in the Winner’s Circle at Churchill Downs after I’ll Have Another won the 138th Kentucky Derby on Saturday in Louisville.   (Mark Humphrey / Associated Press)

Jockey Mario Gutierrez celebrates with the winner’s trophy after guiding I’ll Have Another to the win in the 138th Kentucky Derby on Saturday at Churchill Downs.   (Mark Humphrey / Associated Press)