============= I would warn him briefly; a 12 guage shotgun is hard to beat, especially if one has hunted [fourfooted, LOL] rabbits as a kid.
Not sure if I'd cross the street, but I would want to be packing a towel. Those things drool like crazy.
i saw a dog from long beach which i swear was on steroids or something. that dog looked huge...unreal.
Neapolitan Mastiff. The dog pictured on original post easily topples 200 lbs. http://en.wikipedia.org/wiki/Neapolitan_Mastiff