Entering Sunday, OSU had won its previous three games at Globe Life Field in the last few days, including a 14-inning win against second-ranked Arkansas.
The Cowboys sought to keep their momentum riding into Sunday against another top-10 opponent. However, Oklahoma State finished the weekend in the Kubota College Baseball Series with an 8-1 loss against No. 4 Oregon State.
Here are three takeaways from the game.
OSU Pitching Staff can't handle the Beavers
Oklahoma State (4-3) lacked defense within the first two innings, starting with the right-handed junior pitcher Janzen Keisel.
As the starter, Keisel allowed two doubles in the first to Oregon State (7-1) and gave up two of three hits in the second as home runs to increase the deficit.