A horse that broke down in the race following the $1.5 million Belmont Stakes was euthanized on Saturday, completing a grim Triple Crown for a sport that has seen deaths cast a pall over all three tracks hosting its most prestigious races. In the 13th race at Belmont Park, a 1 1/16-mile race on turf after the final leg in the Triple Crown, jockey Flavien Prat pulled up on Excursionniste in the far turn. According to a statement distributed by New York Racing Association spokesman Pat McKenna, the horse had a “catastrophic injury to its left front leg” and was […]