Joslyn Tinkle led the way for No. 4 Stanford 51 at McKale Center on Saturday.

All five starters scored in double figures including Chiney Ogwumike, who had 18 points and 10 boards, and her sister Nnemkadi Ogwumike, who added 15 points for Stanford (20-1, 11-0 Pac-12), which remained unbeaten in conference play and extended its winning streak to 17 straight.

Arizona (13-10, 2-9) was led by Candice Warthen, who scored 13 points and Shanita Arnold, who added 10 points. Arizona has now lost its last six contests.

Stanford's 10-0 run to start the game paced the Cardinal as they took the lead and never looked back.

Stanford shot 56 percent in the first half and it led 51-31 going into halftime.

A 28-5 run to start the second half allowed Stanford to run away with a 40- point victory.