The USC Trojans defeated the Oregon State Beavers 42 to 36 on October 24, 2009.http://statistics.ncaafootball.com/merge/tsnform.aspx?c=ncaa-football&page=cfoot/scores/final/boxscore.aspx?GAMEID=24410

In 2008, the unranked Oregon State Beavers hosted the top ranked USC Trojans on September 25, 2008.NCAAFootball.com: (1) U-S-C (2-0) at Oregon State (1-2) Preview The Beavers upset the Trojans with a final score of 27-21. Following the loss, USC dropped from first to ninth in the AP College Football Poll.ESPN.com: NCAA College Football Polls

USC was heavily favored to win the 2008 game with a 25-point spread.ESPN.com: No. 1 USC flops at Oregon State The Trojans, however, were shut out during the first half, entering halftime with a 21-0 deficit. Heisman candidate Mark Sanchez was able to bring the Trojans back within seven points, scoring two touchdowns in the third quarter. Each team recorded a touchdown in the fourth quarter. Oregon State scored first, but failed to complete the two-point conversion, leaving the score at 27-14. USC rallied in the last minutes of the game, scoring a touchdown with 1:19 left. Following the score, the Trojans attempted an onside kick, but the Beavers were able to recover the ball. After taking a knee on a couple downs to run out the clock, the Beavers defeated the Trojans with a score of 27-21.ESPN.com: USC Trojans vs. Oregon State Beavers Box Score Hundreds of Oregon State fans swarmed the field, creating a sea of orange and black, as the Beavers celebrated what many are calling the biggest upset of the year.