American Pit Bull Terrier (aka the "Bull-n-Terrier"), American Bulldog, Dogue de Bordeaux, Boerboel, Bullmastiff, Bulldog Campeiro, Cane Corso, English Mastiff, Fila Brasileiro, Great Dane, Perro de Presa Canario, Dogo Argentino, Neapolitan Mastiff, Tosa Inu.
