The Associated Press/Rich Pedroncelli 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.