For many lifelong racetrackers, it's a natural ascent to start out as a hot walker, move up to becoming a groom and perhaps eventually, work your way towards exercise riding. That wasn't the case for Edgar Revolorio, groom of GI Breeders' Cup Classic hopeful Highland Falls (Curlin). Revolorio grew up around horses in his native Guatemala and when he moved to Texas to work with Quarter Horses, he started out there as an exercise rider. As he gained experience on the racetrack and learned more about the art of grooming,...