The Jaguars have just five sacks in their first four games and are ranked 27th in sacks per pass play.
But the Steelers' offensive line is vulnerable and the Steelers have given up 16 sacks in their first four games. Quarterback Ben Roethlisberger has gone down 15 times.
The Steelers lost Alan Faneca in free agency to the Jets and lost Kendall Simmons for the season against the Ravens with a ruptured Achilles tendon.
That means they have to either play Darnell Stapleton or Trai Essex at right guard in his place or move starting right tackle Willie Colon and insert Max Starks at left tackle.
Either way, the Steelers will have a makeshift line and the Jaguars should have a chance to put heat on Roethlisberger.
It's also a chance for the two rookies they drafted on the first two rounds, Derrick Harvey, and Quentin Groves, to start making an impact.
Harvey got his first start against the Texans and had no tackles or sacks and just one quarterback hit. Groves saw part-time duty and pitched a shutout as he didn't even make the stat sheet.
They probably need more time to develop, but the Jaguars need help from them right now because veterans Reggie Hayward, Paul Spicer, Rob Meier and John Henderson haven't been a force this year.
Coach Jack Del Rio, though, didn't want to single out Harvey and Groves. And he said the coverage in the secondary is part of the problem.
"We're not putting it on anyone person. When the quarterback's coming off his first two or three reads and holding the ball, we need our rush to get there. He (Matt Schaub) was able to scramble around a couple of times when coverage was good down the field and then there were times when we were getting ready to hit him and the coverage was not where it needed to be," Del Rio said.
Last year, the Jaguars sacked Roethlisberger 11 times in two games while becoming the first team ever to beat the Steelers twice in Pittsburgh in the same season. They sacked him five times in the regular-season game and six times in the playoff game.
But Roethlisberger still rallied his team, scoring 15 points in the fourth quarter of the first game and 19 in the fourth quarter of the playoff loss.
The Steelers also unveiled a no-huddle offense against Baltimore that was effective.
But if the Jaguars can mount a pass rush against Roethlisberger, they have a chance to beat the Steelers for the third time in their last 10 games.
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