(Eugene, OR)  --  Oregon's rebuilding defense is losing a promising young lineman.  Rutger Reitmaier, a freshman from Nashville, has decided to withdraw his commitment from the University of Oregon.  The 6-foot-3, 281-pound Reitmaier originally committed to the Ducks in June of 2016.  The Ducks have also lost defensive lineman Rex Manu for the year to an injury.