The excitement of thoroughbred horse racing — and many of the sport’s most vexing problems — are exemplified by the careers of the trainers Bob Baffert and Todd Pletcher.
The track, the home of the Kentucky Derby, is moving races to another location while officials look into why 12 thoroughbreds have died at Churchill Downs in recent weeks.
Mage, the Kentucky Derby winner, will attempt to keep his feel-good Triple Crown run alive, but one familiar face will be standing in his way: Bob Baffert.