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2025 Baseball Roster

Katie Tozier/CSUMB Athletics

11 Giovanni Costello

  • Height 6-4
  • Weight 185
  • Class Junior
  • Hometown Livermore, Calif.
  • Highschool Granada HS

Biography

2024 – CAL STATE MONTEREY BAY 
  • Made 16 appearances in relief.
  • Tossed 46 1/3 innings.
  • Posted a 4-2 record with a 5.05 ERA.
  • Struck out 38 and walked 26.
  • Opposing batters hit .232.
  • Struck out a season-high six and didn’t allow a hit in five innings at San Francisco (3/9).
2023 – WHITWORTH UNIVERSITY 
  • Pitched one season at Whitworth.
  • Tossed 40 1/3 innings with a 7.36 ERA.
  • Struck out 29 batters and walked 24.
  • Threw six or more innings three times.
  • Struck out eight batters against Pacific (Ore.).
HIGH SCHOOL 
  •  A 2022 graduate of Granada High School.
  • Played for coach Corgis Willis.
PERSONAL
  • Son of Fred and Diana Costello.
  • Plans to major in business agriculture.
  • Upon graduation, plans to join the police force.
  • Enjoys fishing and playing catch with his dad.

Statistics

Season:
2025

Season Statistics

Season Statistics

No statistics available for this season.

Career Statistics

There are no statistics available for this player.

Historical Player Information

  • 34

    2024Sophomore

    RHP
    6'4" 185 lbs
    34
  • 11

    2025Junior

    RHP
    6'4" 185 lbs
    11