Stephanie Byrne scored the game winner in the 75th minute as the Stanford field hockey team kept pace with NorPac Conference leader California, beating host UC Davis, 2-1, in overtime on Saturday.
The 16th-ranked Cardinal (3-1, 7-3) remained a game back of the Bears heading into Friday's nonconference match with visiting Harvard.
Kelsey Lloyd was credited with the assist on Byrne's goal, a shot over the goalie from close range.
Katie Mitchell picked up the rebound off her own miss and scored the game tying goal in the 29th minute.
Stanford outshot the Aggies, 22-9, but held just a 10-7 advantage in shots on goal. Reigning NorPac Defensive Player of the Week Alessandra Moss had six saves in the contest.
Alix Klineman recorded 17 kills and top-ranked Stanford downed visiting Oregon, 25-10, 25-16, 25-21, in a Pac-10 contest on Saturday.
The Cardinal (4-0, 13-0) travels to USC (2-1, 13-1) for a conference challenge Friday night.
Cassidy Lichtman again assumed full-time setting duties, recording 38 assists. Senior libero Gabi Ailes had 18 digs.
Stanford dropped a 3-0 decision to visting 16th-ranked California in the Pac-10 opener for both teams Saturday night.
"This rivalry is always physical," Stanford coach Bret Simon. "I thought it was even more so than usual."
The match started with a flurry of activity, including a brilliant reaction save by Jason Dodson in the second minute. Dodson was later forced to leave the game with an injury and was replaced by freshman Drew Hutchins, making his college debut.
Cal outshot Stanford, 13-4, in the first half and got on the scoreboard in the 16th minute.
The Cardinal took 13 second-half shots, including a couple close calls from Bobby Warshaw on corner kicks.
Men's water polo
Menlo School grad Alex Avery scored three goals and Sacred Heart Prep grad Paul Rudolph added two more as No. 4 Stanford downed UC San Diego, 22-12, in the first round of the SoCal Invitational at UCLA on Saturday.
The Cardinal (5-3) lost to UC Santa Barbara later Saturday, 12-10, and can finish no higher than fifth.
Stanford meets Long Beach State Sunday morning. The Cardinal will face either Pacific or California in the final contest.