They're not alone in that thinking.
Pro Football Focus ranks both defensive tackle
Soliai, signed by the Panthers on Tuesday, actually ranks in the top fourth, coming in at 17th among 64 interior defensive linemen with a grade of 74.5. For reference, that’s better than the two tackles who backed up
Gradkowski, signed by the Panthers last week, ranks sixth among 18 centers in the free agent group with a grade of 69.2 in limited action last season. Last year’s backup center, Fernando Velasco, was slightly higher on the list with a 70.9, but Gradkowski is four years younger.