OKLAHOMA CITY -- Porter Brown and Zach Humphreys each tallied three hits and No. 2-seed TCU fought off pesky seventh-seeded Kansas State 17-7 on Saturday.
The Horned Frogs (39-17) advance to play fourth-seeded Oklahoma State in the Big 12 Tournament championship game on Sunday.
Kansas State (34-23) beat TCU 5-2 earlier in the day to force the winner-take-all game.
TCU built a 7-1 lead after the first inning and had to fight to hold on. The Wildcats narrowed the deficit to 8-3 after the fourth and 10-7 after seventh.
But TCU brought the curtain down on Kansas State with seven runs in the bottom of the eighth for a 10-run advantage to end the game.
Terrence Spurlin finished with three RBI for the Wildcats.