I see the DNA evidence is conclusive.
https://www.turnto23.com/news/local-news/amazing-video-cat-saves-boy-from-dog-attack-in-southwest-bakersfield-051414
That's cute. All dogs with bull mastiff roots put into their breeding stock specifically for their strength & killing ability.
I want to breed Dogo Argrentino's someday as a business. They're beautiful creatures. They were bred to hunt down wild bores and kill them without needing a pack. It takes a mean mutha of a dog to kill a 600 lb wild bore by itself without getting chewed into hamburger.
I also like the Brazilian Mastiffs, but raising a dog that size, that can jump 6' fences, has to be one of the most expensive feeding endeavors I could find, so it's a pass for me.