One year after Oregon State snapped Oregon's eight-game Civil War winning streak, the Beavers are once again heavy underdogs.
The Ducks opened Sunday as a 23 1/2-point favorite for the 121st installment of the rivalry game, according to the online gambling site Vegas Insider. The line quickly jumped to 24 1/2 points.
Oregon (6-5, 3-5 Pac-12) is coming off a statement 48-28 win against Arizona, in which quarterback Justin Herbert returned from a broken collarbone and the UO defense corralled Heisman contender Khalil Tate.
Oregon State (1-10, 0-8) fell to Arizona State 40-24 on senior day, dropping its ninth game in a row.