Before he was “moving like a tremendous machine” in a literal earth-shattering performance in the Belmont Stakes, before he secured the ninth Triple Crown sweep in history, ending a 25-year drought, Secretariat won the Kentucky Derby in such dramatic fashion that it would be considered one of the greatest races of all time — if only he didn’t follow it with even greater theatrics in his next two races.
Coming off a stunning loss in the Wood Memorial, Secretariat, who was named the 2-year-old champion, was suddenly the beneficiary of doubt among the…