They're on a roll the likes of which the franchise hadn't seen previously, one that's never been bettered in the history of the NFL.

But guard David DeCastro is more interested in looking ahead than behind.

"You don't really think about it too much," DeCastro said of a current four-game run that has seen the Steelers average 529 yards and 35.8 points per game. "You hear the stats and stats are cool, but the minute you start looking back and resting on your laurels you're going to get beat."

Never before have the Steelers scored at least 30 points in four consecutive games of a season.

And only three times previously had a team managed at least 450 yards in four straight games in a season (Houston in 1961, Miami in 1984 and Kansas City in 2004).

But tight end Heath Miller isn't obsessed with historical perspective.

"Not really," he said. "We're just trying to win games. It's that time of year where we don't have a lot of room for error based on our record.

"Certainly quarterback Ben (Roethlisberger) is playing very well, probably the best ball he's played all year. We're trying to ride that and keep it going."

The Steelers had talked openly about scoring 30 points a game in training camp.

Now, they're doing it.

But this Sunday in Cincinnati they'll be opposed by the NFL's No. 1 scoring defense (16.3 points per game).

And on Dec. 20 the Broncos will arrive at Heinz Field with a unit that's currently ranked No. 2 in scoring defense (17.5 points per game).

Roethlisberger doesn't have a problem with that.

"It's what we want," he said. "If we want to be the best we have to play the best. We talked a couple weeks ago about going up to Seattle, playing in the quote-unquote best environment. It's arguably one of the best environments, loudest places to play. If you want to be a great offense you gotta be able to go to environments and play like that, play great defenses.

"It's a challenge but the way we have to look at it as an offense is they need to try to stop us. We don't conform to what other defenses do. We make them try to conform to us."

The Seahawks were No. 2 in total defense when the Steelers visited Seattle on Nov. 29.

The Steelers lost the game, but the offense amassed 538 yards and scored 30 points despite getting just six catches and 51 receiving yards from wide receiver Antonio Brown.

"With Antonio not doing as well as anybody would expect going into a game and us still coming out with the amount of points and the amount of yardage that we had, I think that says a lot about our group," wide receiver Markus Wheaton said. "That builds confidence in the group. That builds confidence in the coaching staff. And it'll carry over onto the field.

"Speaking offensively, we're definitely moving right now, gaining a little momentum. We're excited to see how we hold up against (the Bengals)."

Miller is excited about the potential outcome.

"If we win 3-0 we'll be happy," he said. "We're just trying to win."