Both teams have 6-3 records and whichever team wins will jump into a first place tie in the AFC North with the Pittsburgh Steelers at 7-3.
The two teams have played each other 30 times in their histories and the Ravens own a slight 16-14 series edge. The Bengals have even won three of the last four contests with Baltimore.
Prior to the season, Bengals fans looked at the schedule and knew that this stretch of games against Pittsburgh, Baltimore, Cleveland, Pittsburgh again and Houston were going to ultimately determine their success or failure in 2011.
The Bengals lost the first game to the Steelers and things aren't shaping up well for them against the Ravens this week.
Let's look at five reasons why the Bengals are very likely to lose on Sunday.