University of North Texas Athletics
2026 Softball Roster

Jersey Number 22
Sienna Mayer
- Position:
- IF
- Height:
- 5-5
- Class:
- Freshman
- High School:
- El Segundo HS
- Hometown:
- El Segundo, Calif.
- Pronounced:
- R/R
Prior to UNT
Four-year letter winner at El Segundo High School … Two-time All CIF-Southern Section selection … Named Cal-Hi Sports First Team All-State selection as a senior … Earned Cal-Hi Sports Second Team All-State nod as a junior … Won 2025 Daily Breeze South Bay Player of the Year award … Three-time First Team All-League honoree … Ranked No. 18 prospect on the Extra Inning Softball Class of 2025 Elite 100 … Father, T.D., is the head softball coach at El Segundo High School … Cousin, Brock, plays baseball at Cal State Fullerton … Played travel ball for BSC Bengals and head coach Ken Briggs … Four-time member of Team Netherlands at the Triple Crown International Challenge in Denver, Colo.
Four-year letter winner at El Segundo High School … Two-time All CIF-Southern Section selection … Named Cal-Hi Sports First Team All-State selection as a senior … Earned Cal-Hi Sports Second Team All-State nod as a junior … Won 2025 Daily Breeze South Bay Player of the Year award … Three-time First Team All-League honoree … Ranked No. 18 prospect on the Extra Inning Softball Class of 2025 Elite 100 … Father, T.D., is the head softball coach at El Segundo High School … Cousin, Brock, plays baseball at Cal State Fullerton … Played travel ball for BSC Bengals and head coach Ken Briggs … Four-time member of Team Netherlands at the Triple Crown International Challenge in Denver, Colo.
Broadcast Highlights vs UAB | Mean Green SB
Saturday, April 19
Broadcast Highlights vs UTSA | Mean Green SB
Monday, April 07
Broadcast Highlights vs Memphis | Mean Green SB
Sunday, March 23
Broadcast Highlights vs Tarleton State | Mean Green SB
Thursday, March 13







