Larger deerhound crosses that I've owned and seen, although not usually instigators of aggressive behaviour, will stand their ground and fight bitterly when pressed. It's not just bull x's. I dare say plenty of people can tell of breeds prone to aggressive behaviour in certain circumstances.
Old timer 123, you talk about pits being culled if they showed any aggression towards people, where did you get this nonsense from? I don't care how old you are, you aren't old enough to have had any involvement in the breeds development and there are many many breeders who've encouraged aggressive be