For the third time in Oklahoma State's first four games, Boone Pickens Stadium will host a night game.
The Cowboys will open Big 12 play against Texas Tech at 6 p.m. Sept. 22, the Big 12 announced Monday. The game will be televised on FS1.
OSU opened its season with two victories in 7 p.m. games against Missouri State and South Alabama. The No. 24 Cowboys face No. 17 Boise State at 2:30 p.m. on Saturday.
Texas Tech split its first two games, losing to Ole Miss before trouncing Lamar. The Red Raiders host Houston on Saturday.