NCAA DII Baseball Program

St. Mary's University Baseball - TX

St. Mary's University baseball competes at the NCAA DII level in Lone Star Conference and is based in San Antonio, TX. Campus enrollment is about 1,951 students. The published acceptance rate is 98%. Recent baseball results include 2026: 39-19. Listed coaches include Frank Kellner, Zach Diaz, and Jake Robles.

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Program Snapshot

  • Location: San Antonio, TX
  • Division: NCAA DII
  • Conference: Lone Star Conference
  • School type: Private nonprofit
  • Campus setting: City: Large (population of 250,000 or more)
  • Enrollment: 1,951 students
  • Enrollment by sex: 40% men / 60% women
  • Acceptance rate: 98%
  • Source: U.S. Dept. of Education
  • Average annual cost: $21,145
  • In-state tuition: $37,434
  • Out-of-state tuition: $37,434

Coaching Staff

  • Frank Kellner, Head Coach
  • Zach Diaz, Assistant Coach
  • Jake Robles, Volunteer Assistant Coach

Recent Baseball Results

  • 2026: 39-19 (3rd)
  • 2025: 29-24
  • 2024: 20-30
  • 2023: 25-27
  • 2022: 23-29

Members-only details for St. Mary's University

Members see direct contact details for the coaching staff: 3 email addresses and 2 phone numbers.

The 2025-26 roster breakdown is available to members, including class makeup, position depth by class, expected openings after this season, handedness, average height and weight by position, and where players come from.

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Conference: Lone Star Conference

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