DAEGU, South Korea (Interstat) — Jung Soo-bin hit a grand slam in the sixth inning Saturday as the Doosan Bears defeated the Samsung Lions 8-7 at Daegu Samsung Lions Park before 24,000.

Doosan, which improved to 25-27-1, took an early 1-0 lead in the second on an error. Samsung answered with four runs in the third, including a solo homer by Lewin Diaz and three more on a groundout and two singles. Diaz homered again in the fourth and Park Seung-kyu added a solo shot in the fifth to put Samsung ahead 6-1.

The Bears erupted for six runs in the sixth. Yang Eui-ji scored on a single, Kang Seung-ho scored on a walk, then Jung cleared the bases with his grand slam. Doosan added a run in the eighth on an error.

Doosan had nine hits, Samsung 10. The Lions, who had won the previous two series meetings, fell to 30-20-1.

Park Chan-ho and Jung Soo-bin each scored twice for the Bears. The teams meet again Sunday in the series finale.