The New England Patriots play their AFC East rivals for the first time this season on Thursday night.
The quarterback told reporters: "They've always had one of the best defenses in the league. It's really a challenge every time that we play them. I think they do quite a few things. They have a lot of different looks, a lot of different personnel packages. They really keep things moving on defense. It's a good scheme.
"They're a very well coached, very disciplined, very smart defense. They don't make many mental errors. It's going to be a great challenge for our offense. They rush, they cover, they blitz. The guys have different skillsets. They can all do a lot of things. It's a very good group.
"They have a lot of good players. They're very well coached, they're smart, they're disciplined, they're physical. They do a lot of good things and we have a lot of respect for them as a team and their coaching staff and the players that play there."
Both teams won their opening games of the 2013 NFL season on Sunday.