The game is scheduled to kick off at 8:15 p.m. ET Saturday, Jan. 3 at Heinz Field.
The two teams split in the regular season with Baltimore winning the first meeting in Baltimore 26-6 in Week 2. The Steelers got even with a 43-23 win over the Ravens in Pittsburgh in Week 9.
Baltimore found themselves the beneficiary of a San Diego loss, allowing them to leap past the Chargers after the Ravens' win over the Cleveland Browns in Week 17. Baltimore had controlled their playoff destiny until taking a tough loss at the hands of the Houston Texans in Week 16.
Pittsburgh has won four games in a row, its longest winning streak since the middle of the 2012 season.
The status of running back Le'Veon Bell isn't known right now, but initial reports suggested the hit he took from Reggie Nelson caused a hyper-extension.