Complex sentence: The Eclipse Awards, honoring the champions of the sport, are sponsored by the National Thoroughbred Racing Association (NTRA), Daily Racing Form and the National Turf Writers Association who select all finalists at the end of the year.
Split into simpler sentences: The Eclipse Awards, honoring the champions of the sport, are sponsored by the National Thoroughbred Racing Association (NTRA), Daily Racing Form and the National Turf Writers Assn. Voters of the Daily Racing Form, National Thoroughbred Racing Association and National Turf Writers Association chose all finalists at the end of the year.