This was Miracle on Ice, on hooves. This was Buster Douglas KO’ing Mike Tyson, on dirt. This was mouths collectively agape, faces stunned and eyes drained of answers.
As Arrogate, the No. 1 ranked horse in the world, entered the starting gate Saturday at Del Mar in the San Diego Handicap, it was so ridiculously favored that the 1-20 odds produced too many digits to show on the track’s big board.
The sport’s biggest star didn’t win. Or finish second. Or third.
Accelerate, who beat Arrogate during his rookie debut last April before the celebrity in waiting piled up a record $17 million and change, roared to the front, never surrendered an inch and delivered the...