Brady does own a pitbull but that's not a pitbull in these photos. I think this is just a way of saying he's "Top Dog" for some reason.
Anyway, in the interview in the magazine Brady talks about things other than football, like his new big house, his supermodel wife and so on.
Brady has been criticized many times for off of the football field stuff like this photo. Though this is actually pretty mild, its seen in a different light after stuff like this , this, or this ....or this.........Unfortunately, I could go on.
“My wife and I are very affectionate. It’s just part of our nature,” he says. “I’m not really concerned with portraying this tough warrior — I mean, that’s part of my job and I take that very seriously. But I don’t have anything to hide and I’m not concerned with what people think.”