Old World Molossus has resurrected one of the ultimate guardian dogs that ever existed and named it the American Molossus. Assuming that the info on their website is correct, this is one phenomenal animal and to be considered by those wanting high-end protection. This is a very large breed that tips the scales near 200 lbs.
They were also featured on dogumentary tv.
This is not an endorsement from molosserdogs.com. just sharing their information.