Seize the Grey won the 149th Preakness Stakes Saturday afternoon to claim the second leg of horse racing’s Triple Crown. It was an upset, since all eyes were on Mystik Dan, who won the Kentucky Derby earlier this month by a nostril. It’s a tough task for a horse to win those two prestigious races. Many Derby winners don’t even compete at the Preakness, which is held at Pimlico Race Course in Baltimore. The last horse to do so was Justify. That was back in 2018. But Seize the Gray did make some history. D. Wayne Lukas, who trains the horse, became the oldest trainer to win the Triple Crown. He’…