Patriots sign 300lb lineman Jon Opperud

Pats announce minor roster move, signing rookie OL Jon Opperud (Montana). At 6-7, 300 pds, a possible developmental tackle. Has G experience

— Mike Reiss (@MikeReiss) May 18, 2012

Here's the scouting report on Opperud from ProFootballWeekly.

Notes:
Was an all-around athlete as an Oregon prep, earning letters in football (three), basketball (three) and track (two) and being named captain of each squad. Saw action in 11 games as a reserve lineman and special-teams player as a true freshman in 2008. Started 14-of-15 games at left guard in ’09, missing only the Cal Poly contest with a separated left shoulder. Was moved to left tackle during ’10 spring practice and started 10 contests in the fall. Was limited in fall camp and missed the season opener against Western State with a right knee injury sustained during the summer. Did not participate in ’11 spring practice because of a right shoulder injury. Team captain.

Summary:
Tall, slow-footed, FCS blocker who played tackle and guard as a three-year starter. Relies on positioning and technique to control defenders, as he is not strong enough to generate power on his own. Is intelligent, tough and competitive, though his intangibles outpace his athletic ability.

If Brian Waters retires, there will be a bigger opportunity for Opperud to fill in as a backup guard on this roster.