Of course the line above is what all teams should strive for, but it does not always work that way. Much has been written on this site and others about what kind of offense the Bengals are going to be under Zac Taylor. It is safe to say without having to read between the lines too hard, the backbone is going to be the rushing game.
Most of Callahan’s time prior to the Bengals was spent in Denver. The Broncos always run the ball well and value the ground game as much as any team in football. Callahan spent 2015 under Gary Kubiak.