Oregon eliminated Oklahoma's softball team from the Women's College World Series with a 4-2 win late Saturday night at ASA Hall of Fame Stadium in Oklahoma City.
The Ducks took a 3-0 lead with a three-run third inning, with Janie Takeda doubling home a run, then Kailee Cuico doubling home two more.
The Sooners answered with an RBI single from Jessica Vest in the fourth inning to make it 3-1, then cut the Ducks lead to one with a solo home run by Shelby Pendley in the fifth to make it 3-2.
Oregon got an insurance run in the top of the seventh when Takeda's RBI single made it 4-2.
OU got a runner on in the bottom of the 7th, but Lauren Chamberlain struck out, and after Shelby Pendley singled to put runners at first and third, Brittany Williams grounded out to end the game.
The Sooners were making their fourth straight appearance in the Women's College World Series, and were trying to repeat their national championship from las season.
OU had their season come to an end at 51-13.
It's the first time OU has ever had three straight 50-win seasons.
Oregon advances to play Alabama at 2:30 on Sunday and the Ducks have to beat the Crimson Tide twice to advance to the WCWS Finals.