ARCADIA — Bob Baffert has now won the Malibu Stakes seven times, breaking a tie for the record by a trainer in Santa Anita’s traditional opening-day marquee race. He has never won it quite like he did Sunday. Two days earlier, Baffert had five horses in the $200,000, Grade I sprint for 3-year-olds and a real shot at being the first trainer to saddle the 1-2-3-4-5 finishers in a major North American race. Then, on Saturday, he had to scratch favorite Barnes because of what he labeled a minor setback. Then, 15 minutes before the race, new favorite Cornucopian, had to be scratched after the colt...