NORMAN, Okla.—Aaryn Ellenberg scored 22 points and No. 12 Oklahoma State, playing without guard Maddie Manning, dominated Northwestern State 96-35 on Thursday night.

Ellenberg was 5 of 7 from 3-point range and had five rebounds and six steals.

Nicole Kornet, replacing Manning in the starting lineup, scored a career-high 19 points. Nicole Griffin 12 and Morgan Hook added 10. Joanna McFarland came off the bench and pulled down 10 rebounds. All nine Sooners scored.

The Sooners were up by 10 before the Demons were able to hit their first basket, a 3-pointer by Janelle Perez. At halftime, the Sooners were up 45-19.

Tiandra Williams led the Demons with 10 points. Jasmine Bradley had six rebounds for the Demons (4-3), who shot just 26 percent from the field for the game.

Oklahoma coach Sherri Coale announced Thursday that Manning would miss the rest of the regular season because of a knee injury.