http://blogs.thetimes-tribune.com/pennstate/?p=4668
Since he arrived in Minnesota in 2011, Limegrover recruited a slew of offensive linemen who became starters up front. One of them — center Tyler Moore — started the final eight games last season as a true freshman.
That hasn’t happened much under Limegrover. But it has not been uncommon for redshirt freshmen to play key roles up front. Connor Mayes started the first nine games at guard as a redshirt freshman last season. Josh Campion got hurt last year and missed most of the season, but he started 39 consecutive games before that, starting as a redshirt freshman. Starting right tackle Jonah Pirsig started all 13 games last season and played as a redshirt freshman. Left tackle Foster Bush and guard Ben Lauer also started games last season and were contributors as earl as their redshirt freshman seasons.