Depth chart at the time:
Former walk-on Mike Remmers. By that time, Remmers was on scholarship and a senior. All-Pac 12 Conference honorable mention and a Burlsworth Trophy finalist. Remmers started every game from the 2008 Washington game to the 2011 Oregon game. At the time, sixth all-time in starts. Remmers played with the Broncos, Bucs, Chargers, Vikings, and Panthers. He just signed a $30 million contract with the Vikings six months ago.
Junior Colin Kelly. Kelly started every game in 2011 and 2012. Kelly signed with the Chiefs but suffered a knee injury in July 2013. The Chiefs released in Kelly. Kelly signed with the Ottawa Redblacks and led them to the Grey Cup, which they lost to the Edmonton Eskimos 26-20. Kelly then spent some time with the 49ers, Bears, and Jaguars . Kelly is back in the CFL with Edmonton. The Eskimos are currently 7-5.
Junior Michael Philipp. Philipp started all 13 games in 2009, finishing as a freshman All-American. He played nine games in 2010 due to a broken nose and an ankle injury. (Oregon State went 4-4 with Philipp, 1-3 without.) Philipp injured his knee in fall camp in 2011 and redshirted. Philipp started every game in 2012 and 2013. Philipp was third all-time in starts with 48. Philipp played with Dolphins, Browns, and 49ers. He now works with Mike Cavanaugh at Nebraska.
Sophomore Grant Enger. Enger was the back-up tackle in 2011 but moved to LG, when Josh Andrews was injured against Wisconsin. Enger started 9 games at guard (5 at LG and 4 at RG). Enger started 12 games at RG in 2012, missing the California game due to a knee injury. Enger started the first two games at RT in 2013 and then was injured. He returned to start the final eight games as RG.
Freshman and walk-on Derek Nielsen. Nielsen did not play in 2011 but started two games as LG in 2012. Nielsen wound up 2012 playing LT, LG, C, and RG. He transferred at the end of 2012 to try and get a scholarship.
Oregon State had three OL recruits in 2011: Justin Addie, Akeem Gonzales, and Darryl Jackson. Addie played in three games in 2012 and 2013 before medically retiring. Gonzales redshirted in 2011 and moved to the defense. He played in six games over 2012 and 2013 before quitting the team. Jackson chose Oregon State over UCLA, San Diego State, Arizona, Arizona State, and Utah. He was touted as the "tackle of the future" but medically retired due to complications from hip surgery. Jackson never played a game.
Oregon State had eight OL recruits in 2012, including Gavin Andrews, Grant Bays, Josh Mitchell, Isaac Seumalo, and Garrett Weinreich.
Oregon State had two OL recruits in 2013: Sean Harlow and Fred Lauina.