Teagan Gerhart pitched a six-hitter and the Stanford softball team completed a three-game sweep of visiting Oregon State, beating the Beavers, 3-1, Sunday in a Pac-10 contest.
Danielle Miller had two hits and drove in two runs for the Cardinal (5-4, 30-8), which travels to Pacific for a nonconference game Tuesday night.
Gerhart did not allow an earned run, nor walk a batter, and struck out seven as she won her 16th game in 22 decisions. She retired 12 of the final 13 batters she faced.
Miller singled home runs in the first and fourth innings. Jenna Rich also drove in a run with a sacrifice fly in the first.
Marissa Mar shot a first-round score of 69 to help Stanford finish the first day of the Pac-10 Championships Sunday in a first-place tie with USC under partly cloudy skies, with a high of 97 degrees in Tempe, Ariz.
Sally Watson and Kristina Wong each fired a 2-under 70 as the Cardinal shot a 6-under 282 as a team.
Arizona's Kyndall Ardoin recorded a hole-in-one on Karsten's par-3 16th hole.
Jake Stewart and Brian Ragira each had two hits but Stanford dropped a 6-4 decision to visiting Oregon State Sunday in a Pac-10 contest in Suken Diamond.
The Cardinal (3-6, 16-12) was swept by the ninth-ranked and Pac-10 leading Beavers.