Yeah, I'm a bit of a homer, too, but that's hard for me, since I've lived in 7 locales in 6 states. So that means the Cards, Bucs and Steelers are former home teams, and you could maybe include the Pats, since they are branded for all of New England.
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan