When the Pittsburgh Steelers selected safety Sharmarko Thomas in the fourth round of the 2013 NFL Draft, it was clear that he would be groomed to be the heir apparent to take over for Steelers veterans Ryan Clark and Troy Polamalu. Clark and Polamalu still have what it takes to be a defensive threat for the Steelers, but even they see the necessity…
Source: Yardbarker: Pittsburgh Steelers
