...first career start and was 3rd string reps all of fall camp until the 3rd gm of season(the wk before his first career start).
Compared to Retz: a 2 yr Juco starter that had 2nd team reps throughout most of Spring, Fall camps(when healthy; all of fall camp) and then not having to play a down until the 9th gm of the season.
Your comparison is not apples to apples...