TUCSON, Arizona (Ticker) -- Derek Anderson enjoyed another record-setting day.
Anderson threw for 252 yards and two touchdowns to lead Oregon State to a 28-14 victory over Pac-10 Conference foe Arizona.
The 6-6 senior signal-caller overtook Jonathan Smith as the school's all-time leader in passing yards with 9,879. Smith threw for 9,680 yards from 1998-2001.
With his two scoring passes, Anderson extended his own school career record to 66.
Newton and Mike Hass caught five passes each for Oregon State (4-4, 3-2 Pac-10), which has won three straight conference games for the first time under coach Mike Riley. After coaching the Beavers in 1997-98, Riley left to coach the San Diego Chargers for four seasons before returning last season.
Anderson, who completed 17-of-31 passes, hit Joe Newton on a two-yard score with 6:16 left in the first quarter and gave Oregon State a 21-0 lead when he tossed a six-yard scoring pass to Anthony Wheat-Brown with 9:42 left in the third period.
Anderson's one-yard TD scamble early in the final period made it 28-7.
Biren Ealy caught four passes for 106 yards and a score for Arizona (1-7, 0-5), which has lost seven straight games overall and six in a row to Oregon State.
Redshirt freshman Richard Kovalcheck, the fourth quarterback the Wildcats have used this season, was 19-f-39 for 236 yards in his second career start.