Oklahoma is the No. 1 seed, and Oklahoma State is the No. 2 seed when the Big 12 Softball Championships begins Friday at the Hall of Fame Stadium Complex in Oklahoma City.
Oklahoma State will take on No. 3 Baylor at 11 a.m. Friday at the main stadium. Oklahoma, which finished its Big 12 regular season schedule with an 18-0 record, will face No. 4 Texas at 2 p.m. at the main stadium.
OSU will take on No. 5 Texas Tech at 5, and OU will play No. 6 Iowa State at 7:30.
The tournament continues Saturday.