After wins against the Long Beach State Dirtbags on Friday and Saturday , the Oregon State Beavers finished the job Sunday and made it a perfect week away from Corvallis. The tenth-ranked Beavers held offensive momentum for most of the day in what ended up as an 8-4 victory in Southern California. Oregon State finished with 12 hits, while committing only one error. Long Beach State picked up seven hits with two errors. Freshman LHP Trey Morris added to his body of work, getting the winning decision to go to 5-0 and striking out nine in six innings of work. Offensively, second-baseman AJ Singer drove in four runs with three hits and a walk in four appearances at the plate. Full stats from Sunday's contest can be viewed here. Oregon State got on the board right away, as Easton Talt picked up a leadoff walk, then stole second base. Singer drove him in with an RBI single for the first run of the game.…