**Key matchup: **Le'Veon Bell ranks 2nd in the NFL in rush yards per game (104.8), while the Ravens defense ranks 2nd in run defense (82.1 rush YPG allowed).
**Bell's nemesis?: ** The Ravens are the only team to hold Le'Veon Bell under 100 scrimmage yards this season (held him to 70 yards in Week 9).
**Home cookin': **Ben Roethlisberger has a 119.0 passer rating in his five home games this year (best in NFL). He has a 78.4 passer rating on the road.
**Achilles heel: ** The Steelers rank 13th in passer rating allowed (87.3) and 13th in pass yards allowed per game (245.0).