CORVALLIS, Oregon (Ticker) -- Derek Anderson helped give Oregon State another "Civil War" victory and possibly another bowl game appearance.
Anderson threw for 351 yards and four touchdowns as the Beavers defeated Pac-10 Conference foe Oregon, 50-21, in the 108th edition of their rivalry that dates back to 1894.
Oregon State (6-5, 5-3 Pac-10) set the record for most points scored in a "Civil War" showdown and swept its three games against Oregon, Washington and Washington State for the first time since 1973.
Anderson completed 24-of-41 passes and tied his 2002 school record of 25 touchdown passes in a season. He owns the top three single-season spots in Beavers history for passing yardage and total offense.
Mike Haas caught nine passes for 154 yards and two touchdowns and tied Oregon State's single-season pass reception mark with 81.
Alexis Serna kicked five field goals for Oregon State, which scored the final 23 points after the Ducks got within 27-21 early in the third quarter.
Kellen Clemens threw three TDs but was just 13-of-29 for 126 yards and was sacked six times for Oregon (5-6, 4-4), which suffered its first losing season since 1993.
The 29-point victory margin was the second-largest in the rivalry, trailing only Oregon State's 39-2 win in 1942.