Bryan Case homered and Donnie Walton had three hits and scored three times as Oklahoma State cruised to an 8-0 victory over Binghamton in the Stillwater regional Friday night.
Oklahoma State (46-16), hosting its first regional since 2008, scored two runs each in the third, fifth, sixth and eighth innings. The Cowboys will play Cal State Fullerton on Saturday.
Seven Cowboys batters either scored or drove in a run. Case, who homered to lead off the sixth, and Gage Green each scored twice, while Big 12 Player of the Year Zach Fish had two hits and three RBIs.
Freshman starter Tyler Buffett earned the win for Oklahoma State, allowing six hits in 4 2-3 innings, walking one and tying a career high with six strikeouts.
Binghamton (25-26), which won four straight elimination games last week to claim the America East tournament, had just eight hits and struck out 13 times.