Nina Davis scored 20 points to help No. 9 Baylor rout Kansas 81-47 Saturday in the quarterfinals of the Big 12 tournament.

Odyssey Sims, the nation's scoring leader and Big 12 Player of the Year, added 15 points for the top-seeded Lady Bears (27-4). Baylor, the three-time defending tournament champion, advanced to play No. 18 Oklahoma State in the semifinals on Sunday. OSU defeated Iowa State 67-57 in the opener at Chesapeake Energy Arena.

Baylor has won 13 of 14 since losing at Kansas 76-60 on Jan 19, including two victories over Oklahoma State.

Chelsea Gardner had 21 points and nine rebounds and Dakota Gonzalez added 10 points and six rebounds for No. 8 seed Kansas (13-19), which shot just 34 percent from the field and suffered its worst loss of the season. The Jayhawks were coming off an 87-84 overtime win over Kansas State the night before.