John Harbaugh has described the Cleveland Browns as a "hard playing bunch" ahead of their second meeting of the season with the Baltimore Ravens.
The Super Bowl champions beat their AFC North rivals, who are currently on a three-game losing streak, in the second week of the season.
The head coach told the team's website: "Really the only thing that has changed is the quarterback. The quarterback has moved around. They've been looking for that answer, obviously.
"They're the same defense and better. They're a legitimate, NFL-quality defense. They've been playing really well, and they get after you up front."
The Ravens currently sit second in their division, while the Browns are third.