(Corvallis, OR)  --  Oregon State is locking up head football coach Gary Anderson a couple more seasons.  Anderson has signed an extension to keep him under contract at OSU through the 2021 season.  He guided the Beavers to 4-and-8 record during his second season in Corvallis.  Coach Derrick Odum has left OSU to become the next defensive coordinator at San Jose State.