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Heading into the 2013 season, this game was circled on the calendars of many fans.
When the Baltimore Ravens and Pittsburgh Steelers lock horns, it's a knock-down-drag-out fight between mirror-image teams who genuinely don't like one another.
Some of the luster has been knocked from this prizefight by the two teams' combined record of 4-7 in 2013.
However, the Ravens are only a game back of the Cincinnati Bengals in the AFC North, and a proud Pittsburgh franchise isn't about to turn tail and call it a year.
If the Steelers are going to pull the "upset" at home, then there's one thing the Steelers have to do. It's something they haven't done consistently all season long.
Protect Ben Roethlisberger.
The Steelers traded for tackle Levi Brown a couple of weeks ago, in an effort to improve up front.
That idea is now toast. As Scott Brown of ESPN reports, the Steelers placed Brown on injured reserve with a torn triceps muscle.
That leaves Kelvin Beachum and Marcus Gilbert as the starting offensive tackles, as the Steelers have already demoted the woefully ineffective Mike Adams.
Sadly for Beachum and Gilbert, this week's matchup is a borderline nightmare.
In outside linebackers Terrell Suggs and Elvis Dumervil, the Ravens boast one of the top pass-rush duos in the National Football League.
Both Suggs and Dumervil rank in the top five at their position this year, according to Pro Football Focus. The pair has 12 sacks between them in six games.
It's crucial that the Steelers establish the run with tailback Le'Veon Bell to set up play action. Even then Pittsburgh is going to be forced to run a lot of two-route, "max protect" pass plays.
Big Ben had best be wearing his boogie shoes this week. He's going to be scrambling a lot.