By the beginning of April, there had been two fatal musculoskeletal injuries during the current Santa Anita meet. Wind the clock back to an identical window in 2019, there had been 22. During Aqueduct's benighted 2011-2012 Winter meet, 21 horses died, 18 of which were fractures sustained during racing. Over the next seven years, New York's four racetracks saw a 50% reduction in racing fatalities. What is the common denominator? Huge advances in identifying those horses at higher risk of sustaining fatal injuries in racing and training, and much tighter...