For the second time in less than a week, a graded stakes winner broke down while working at a south Florida racetrack. Last Friday, The Mailet, winner of the Grade 3 Miesque at Hollywood Park in her 2-year-old finale, had to be euthanized after breaking down a quarter-mile into a work at Gulfstream Park. On Monday, the multiple graded stakes winner It's a Bird fractured a sesamoid shortly after beginning a workout at Calder.