How to approach Steelers' RB mess

The Pittsburgh Steelers' roster may well look completely different by the time Week 1 of the 2013 campaign gets underway. They are projected to be around $14 million over the salary cap and have 18 unrestricted free agents they will have to consider. No area of their team may be in a tougher spot than their backfield, where Rashard Mendenhall will be unrestricted and Jonathan Dwyer and Isaac Redman will be restricted. Here is how the Pittsburgh Post-Gazette's Ed Bouchette sees things transpiring.