Freshman opposite Kathryn Plummer posted a season-best 16 kills and the 11th-ranked Stanford women’s volleyball team defeated rival California, 23-25, 25-22, 26-24, 25-13, Tuesday, in the Pac-12 opener for both squads at Haas Pavilion.

Plummer was on fire for Stanford (7-2, 1-0 Pac-12), putting together a .538 hitting percentage and adding five blocks.

Freshman outside hitter Michaela Keefe, who started her third match in place of an injured Hayley Hodson, registered her first collegiate double-double with a career-best 13 kills on .435 hitting and 10 digs.

Stanford out-hit California (6-5, 0-1 Pac-12) .307 to .179, and held a 12-8 advantage in blocks. Both teams recorded 49 digs, while the Cardinal held a 4-3 advantage in aces. For the first time this season, Stanford dropped the opening set, 25-23.

Redshirt junior Ivana Vanjak also tallied double-digit kills for Stanford, totaling 11 to go with four digs and an ace. Redshirt senior Inky Ajanaku chipped in with nine kills and seven blocks, while Merete Lutz and Audriana Fitzmorris both notched seven kills.