AMES, Iowa -- Brynn Williamson scored a career-high 21 points, and 17th-ranked Iowa State beat No. 21 Iowa 83-70 on Thursday night for its best start in 12 years.
Jadda Buckley had 19 points and Hallie Christofferson scored 18 with 14 rebounds for the Cyclones, who are 9-0 for the first time since starting 12-0 in 2001-02.
Iowa State also improved to 9-0 at home against the Hawkeyes under coach Bill Fennelly.
Iowa (10-2) went in with the Big Ten's top offense. But the Hawkeyes had just 20 free throw tries compared to 49 for Iowa State.
Samantha Logic scored 18 for Iowa, which had its six-game winning streak snapped.
The Cyclones took control with a 13-0 run late in the first half. They later extended a 13-point lead to 52-32 with 15:16 left.
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