The Steelers are in an interesting spot with their running backs heading into the 2012 season. They have a solid starter with Isaac Redman and a lot of potential behind him, but not much versatility.
Jonathan Dwyer has a lot of talent but has been out of shape which has limited his playing time. He has the skills to be a viable starter in the league, but he has to be more consistent.
John Clay is a powerful, but very limited power option. He is a straight-line runner and could spell Redman as the short-yardage back if the team feels that is necessary.
Baron Batch is a wild card because he has a versatile skill set that the other backs don't. He has good speed and is an excellent receiver out of the backfield and is a viable blocker, though he could still improve in that area.
If Redman can hold down the starting job with Dwyer backing him up and Batch carrying the load as the third-down back, the Steelers will have an adequate backfield until Mendenhall is ready to contribute.
While the need is not there, you will not call running back a position of strength either. If there is a good value in the second round, Pittsburgh could take a running back that early in the draft to set them up not only for this season, but the long-term future with the impending departure of Mendenhall.