The Buckeyes ended their home schedule with a doubleheader split against Penn State.
Seth Lonsman struck out a career-high 13 and gave up five hits in eight innings in a 2-0 win over the Nittany Lions (21-14, 4-18) in the opener. Matt Carpenter provided both RBI for the Buckeyes (27-24, 9-12) with a one-out double in the eighth.
In Game 2, Griffin Smith and TJ Brock got roughed for five runs apiece, and Penn State held a 10-2 lead before OSU tacked on four in the ninth.
Dominic Canzone and Brady Cherry each homered for the Buckeyes, who finish the regular with four road games, one at Youngstown State on Tuesday and three at Indiana beginning Thursday.