Oklahoma State's 12th-ranked women's basketball team never trailed in a 73-57 win over Oklahoma on Sunday afternoon at Gallagher-Iba Arena in Stillwater.
The Cowgirls started the game on an 11-2 run, then after Oklahoma rallied to tie the game at 27, OSU went on an 18-0 run spanning the first and second half.
OSU led by as many as 20 points on three occasions, and after building their first 20 point lead, the Cowgirls never led OU get closer than 12.
All five Cowgirl starters scored in double figures, led by Liz Donohoe's 15 points and 11 rebounds.
Kendra Suttles had 13, Tiffany Bias 12, LaShawn Jones 11 and Brittney Martin 10.
Bias added 8 rebounds and 6 assists, but had 8 turnovers; just the second time this year she's had more turnovers than assists in a game.
Oklahoma had just one player in double figures, and no starters.
Nicole Kornet scored 14 points off the bench, hitting four 3-pointers.
The 14 points was a career high for Kornet in conference play, and the four 3's was a career high overall.
OSU held the Sooners to just 33 percent field goal shooting, and outrebounded OU by 17.
It's the third year in a row the two teams have split the season series.
This is the first time since 1996 to '98 OSU has won three straight home games against Oklahoma.
The Cowgirls improved to 20-4 overall and 9-4 in conference play.
This is their third straight season to win 20 games.
Oklahoma dropped to 15-11 overall, 6-7 in Big 12 play.
OSU visits West Virginia on Wednesday, while the Sooners host Texas Wednesday.