Tonalist (11), ridden by jockey Joel Rosario, edges out Commissioner (8), with Javier Castellano up, to win the 146th running of the Belmont Stakes horse race, Saturday, June 7, 2014. The Associated Press/Matt Slocum

Tonalist (11) with Joel Rosario up edges out Commissioner with Javier Castellano up to win the 146th running of the Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Peter Morgan

Tonalist, left, with Joel Rosario up edges out Commissioner with Javier Castellano up to win the 146th running of the Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Matt Slocum

Victor Espinoza waves as he rides California Chrome after finishing fourth in the Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Matt Slocum

Jen Hylkema, left, Rosalie Chamiel, center, and Annie Westlake cheer at Belmont Park before the Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Jason DeCrow

Artist Susan Sommer-Luarca, of Springfield, Mo., paints an image of Triple Crown hopeful California Chrome outside the grandstand at Belmont Park during the undercard races for the Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Kathy Willens

Harold Walter and his wife, Catherine, display their $2 advance wagers they placed on California Chrome, at the CalExpo racetrack in Sacramento, Calif. on June 6, 2014. California Chrome, the Kentucky Derby and Preakness Stakes winner, will attempt to become the first Triple Crown winner since Affirmed in 1978 when he races in the 146th running of the Belmont Stakes horse race on Saturday. The Associated Press/Rich Pedroncelli

Edwin Collazo, of the borough of Brooklyn, in New York, wears a hat paying tribute to favorite California Chrome. The Associated Press/Jason DeCrow

Charles Clarke III reads a program at Belmont Park before the Belmont Stakes horse race, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Kathy Willens

Fans gather near a sign supporting race horse California Chrome at Belmont Park, Saturday, June 7, 2014, in Elmont, N.Y. The Associated Press/Seth Wenig