"I think the longer you are around, the less surprised you get," said veteran Ravens center Matt Birk. "You realize that there is parity, and I think being a player, you understand that every team is good, every team is talented. Every week, there are a few games that surprise people, surprise the experts. It seems like it comes out of nowhere. I'm a little surprised that there are only two teams with winning records in the AFC, but we're only six games in. There's a lot of football to be played."