Oregon State walked away with three wins in San Luis Obispo following Saturday's doubleheader matchup with Cal Poly.
The Beavers opened the series with back-to-back wins.
Cal Poly secured their first win of the series in the first game of their doubleheader, winning 4-2.
In the second game, the Beavers dominated from start to finish, winning 3-1 and securing the series in the process.
The Mustangs fell to 3-7 on the young season with the series loss.
Cal Poly's homestand last until late in March, hosting Xavier, UNLV, USC, Hawaii, and UC Irvine in consecutive series.