(Eugene, OR)  --  Oregon's top two offensive linemen are being awarded preseason All-American honors from Pro Football Focus.  Left guard Shane Lemieux and right guard/tackle Calvin Throckmorton were named first team All-Americans by PFF Monday.  Throckmorton has the nation's top pass-blocking grade since 2017 and has allowed just three sacks and hits on 862 pass-blocking reps over the last two years.  Lemieux is the highest-graded returning guard in the country, according to PFF.