BERKELEY, Calif. (Interstat) — Otto Espinoza struck out 10 over seven strong innings, leading California to a 9-1 victory over San Diego in the first game of a doubleheader Saturday at Evans Diamond.

The Golden Bears, now 12-3, erupted for five runs in the first inning, highlighted by Daniel Murillo’s two-run homer. Joshua Hanson added three RBIs. San Diego’s only run came on a second-inning homer from Phoenix Brant. The Toreros managed just three hits total, two off Espinoza and none against reliever Cole Clark, who fanned four over the final two frames. San Diego fell to 7-7.