Every position in the NFL is constantly evolving, but none maybe more so than running back. From traditional bruising backs like Earl Campbell to threats in the passing game like Marshall Faulk and now to the position being more by committee, arguably no position has seen as much change. The Steelers have seen their fair share of backs come through town, but most of them have played a similar style, that being tough and gritty. No player epitomized this more than Jerome Bettis, who made a living on being freakishly quick for his mammoth size.
Despite his punishing play style, Bettis managed to avoid serious injury and have a long career that ended on his terms.