Iowa lines up in two - back sets maybe half of the time , but Plewa and Cox are sewn into the core of 2015 Iowa .
Plewa and fellow senior Adam Cox split snaps at the position .
Iowa lines up in two - back sets maybe half of the time , but Plewa and senior are sewn into the core of 2015 Iowa .
Plewa and fellow senior Adam Cox split snaps at the position .