The 2021 Big 12 Conference softball tournament was held at ASA Hall of Fame Stadium in Oklahoma City, Oklahoma on May 14 and May 15, 2021. As the winner of the tournament, Oklahoma earned the conference's automatic bid to the 2021 NCAA Division I softball tournament. Most of the games of the tournament aired on ESPN+. However, the first game aired on ESPNU and the championship game aired on ESPN2. The Oklahoma Sooners came into the tournament with the best record from conference play at 16–1.

Standings PlaceSeedTeam Conference Overall W L % W L % 1 1Oklahoma161422 2 2153408 3 3Texas126389 4 4892718 5 56123119 6 63151925 7 2162226 Kansas did not participate in the tournament

Format and seeding The top six teams based on conference winning percentage from the conference's regular season were seeded one through six. Teams were divided into two pools of three teams each. The winners of each pool advanced to the championship game. The second- and third-place teams in each pool played in classification games for third and fifth place, respectively.

Tournament Sources:

Pool A No. 4 Baylor vs. No. 6 Texas Tech No. 6 Texas Tech wins 8–6

No. 1 Oklahoma vs. No. 4 Baylor No. 1 Oklahoma wins 10–2

No. 1 Oklahoma vs. No. 6 Texas Tech No. 1 Oklahoma wins 8–2

Pool B No. 2 Oklahoma State vs. No. 3 Texas No. 2 Oklahoma State wins 3–2

No. 3 Texas vs. No. 5 Iowa State No. 3 Texas wins 7–4

No. 2 Oklahoma State vs. No. 5 Iowa State No. 2 Oklahoma State wins 6–5

Championship Day No. 4 Baylor vs. No. 5 Iowa State Iowa State wins 3–1

No. 6 Texas Tech vs. No. 3 Texas Texas Tech wins 5–1

No. 1 Oklahoma vs. No. 2 Oklahoma State No. 1 Oklahoma wins 10–2 (6)

Schedule GameTime*Matchup#TelevisionLocation Attendance First Round – Friday, May 10 1 11:00 a.m. #2 3, #3 Texas 2 ESPNU Integris Field 2 11:00 a.m. #6 8, #4 6 ESPN+ OGE Energy Field 3 2:00 p.m. #3 Texas 7, #5 4 ESPN+ Integris Field 4 2:00 p.m. #1 Oklahoma 10, #4 2 ESPN+ OGE Energy Field 5 5:00 p.m. #2 6, #5 5 ESPN+ Integris Field 6 7:30 p.m. #1 Oklahoma 8, #6 2 ESPN+ OGE Energy Field Championship Day – Saturday, May 11 7 10:30 a.m. #5 3, #4 1 ESPN+ Integris Field 8 10:30 a.m. #6 5, #3 Texas 1 ESPN+ OGE Energy Field 9 3:00 p.m. #1 Oklahoma 8, #2 2 ESPN2 OGE Energy Field *Game times in CDT. # – Rankings denote tournament seed.

All-Tournament Team The following players were named to the all-tournament team: Player SchoolSami WilliamsIowa StateKinzie Hansen (MOP)OklahomaJocelyn AloJayda ColemanLynnsie ElamTiare JenningsNicole MayShannon SaileHayley BusbyOklahoma StateCarrie EberleAlysen FebreyKiley NaomiKarli Petty

References