Taraz (Into Mischief), a 3-year-old filly who seemed poised to emerge as a major star, was euthanized Monday after suffering an injury during a workout at Oaklawn Park. The news was confirmed by her owner and breeder Juddmonte Farms, which issued a statement shortly after the injury. "Taraz severely fractured her left front pastern this morning in a workout at Oaklawn Park," the statement read. "She was transported back to the barn where X-rays were taken and reviewed, with the attending veterinarian consulting Dr. Bob Hunt of Hagyard. Given the...