Two horses die at Del Mar after head-on collision

DEL MAR — A horrific head-on collision during morning training hours at Del Mar resulted in the death of two unraced horses and a mild injury to jockey Assael Espinoza.
The accident, first reported by the Daily Racing Form, occurred at approximately 6:40 a.m. Thursday, less than 24 hours after Del Mar opened its 80th season of summer racing with an injury-free program that included 88 horses in 10 races.
Three horses, two trained by Bob Baffert and one by John Sadler, were working in compa