PJ Four Twenty died on 12/20/14 in Hialeah at Mueller Animal Clinic, while in service to Mardi Gras Casino. This race track has the sixth highest number of reported racing-dog deaths since 2013.

Derby Lane in St. Petersburg has highest number of reported deaths – 57 – and Naples-Ft. Myers has the lowest number of reported deaths – just three.

Checkout Naples Daily News' companion piece for this story: Greyhound activists see a shot this year in Florida gambling fight.

Sources: Florida's Department of Business Regulation, GREY2K maintained state records.