STANFORD, Calif. — Sean Ratliff hit a pair of home runs, including a go-ahead grand slam, and Stanford overcame an early four-run deficit to beat Pepperdine 9-7 today and win the Stanford regional.

Jason Castro hit a key two-run double for the Cardinal (37-22), who won four consecutive elimination games to advance to a Super Regional against the winner of the Fullerton regional.

Chase d'Arnaud had three hits, including two home runs, and drove in four runs for the Waves (38-21), who lost their third straight regional championship.

Drew Storen (4-3) pitched four innings in relief to earn his second win of the regional. Storen gave up two runs on three hits with a walk and two strikeouts.

Scott Alexander (2-3), who walked a batter ahead of Ratliff's grand slam, took the loss.