Career Highlights

  • NCAA Champion (2021, lacrosse)
  • Two-time USILA Second Team All-American (2022, 2024)
  • USILA All-America honorable mention (2023)
  • Two-time Inside Lacrosse Second Team All-American (2022, 2024)
  • Inside Lacrosse All-America honorable mention (2023)
  • Two-time USA Lacrosse Third Team All-American (2023, 2024)
  • ACC Defensive Player of the Year (2022)
  • Two-time Tewaaraton Award nominee (2022, 2024)
  • All-ACC (2023, 2024)
  • USILA Scholar All-American (2024)
  • CSC Academic All-District (2023)
  • Concluded his career third all-time in career caused turnovers (95)
  • Started in all four NCAA Tournament games amid UVA’s 2021 national championship run
  • Selected eighth in the fourth round by the California Redwoods in the 2024 PLL College Draft

As a Senior (2024, at Virginia):

  • USILA Second Team All-American
  • Inside Lacrosse Second Team All-American
  • USA Lacrosse Third Team All-American
  • All-ACC Team
  • Tewaaraton Award nominee
  • USILA Scholar All-American
  • Team captain
  • Tied his career high of five caused turnovers in 13-10 comeback win at No. 16 Harvard (March 30)
  • USA Lacrosse Magazine Preseason Second Team All-American
  • Inside Lacrosse Preseason First Team All-American
  • USILA Preseason First Team All-American
  • Preseason All-ACC Team Selection

As a Junior (2023, at Virginia):

  • USILA All-American Honorable Mention (May 25)
  • All-ACC selection (May 9)
  • Inside Lacrosse Honorable Mention All-American (May 17)
  • USA Lacrosse Magazine Third Team All-American (May 9)
  • CSC Academic All-District (May 23)
  • ACC Defensive Player of the Week (March 28)
  • Tewaaraton Award Watch List
  • Recorded a career-high six ground balls at No. 2 Duke (April 15)
  • Inside Lacrosse Second Team Preseason All-American
  • USA Lacrosse Magazine First Team Preseason All-American
  • Preseason All-ACC Team
  • Team captain
  • Recipient of the 2023-24 T. Rodney Crowley Scholarship
  • All-ACC Academic Team
  • ACC Academic Honor Roll

As a Sophomore (2022, at Virginia)

  • USILA Second Team All-American (May 26)
  • Inside Lacrosse Second Team All-American (May 15)
  • ACC Defensive Player of the Year (May 12). UVA’s first defenseman to garner ACC Player-of-the-Year honors since 2002
  • All-ACC selection (May 12)
  • USA Lacrosse Magazine Second Team All-American (May 10)
  • VaSID Defensive Player of the Year & All-State Team (June 29)
  • Appeared in 16 games, including 15 starts
  • Finished the season with 29 ground balls and 32 caused turnovers
  • His 32 caused turnovers led the ACC and were good for sixth in the nation and the most by a UVA player in a single season since 2017
  • Recorded five ground balls and four caused turnovers in the NCAA Tournament
  • Scored an unassisted goal against Lafayette (April 28)
  • Tewaaraton Award nominee (April 21)
  • Tewaaraton Foundation Watch List First Round Addition (March 10)
  • ACC Defensive Player of the Week (March 15)
  • ACC Defensive Player of the Week (March 8)
  • Tallied a career-best five caused turnovers in Virginia’s 19-8 win over then-No. 14/15 Johns Hopkins (March 5)
  • Also scored his first career goal against the Blue Jays
  • Registered four caused turnovers in three of Virginia’s first four games


As a Freshman (2021, at Virginia)

  • NCAA Champion
  • Appeared in all 18 of UVA’s games with four starts
  • Made all four starts in the NCAA Tournament
  • Picked up 14 ground balls and caused seven turnovers
  • Scored first career point on an assist at UNC
  • Helped hold Georgetown’s Jake Carraway without a goal in the NCAA quarterfinal round, snapping the nation’s longest active goal-scoring streak at 44 games

HIGH SCHOOL

  • Three-year starter in basketball
  • MVP at the Martin Luther King Jr. Showcase at American Canyon
  • Ten times named the Palo Alto Weekly Honorable Mention Athlete of the Week in basketball
  • All-state second team (basketball)
  • Led Bay Area with 17 double-doubles as a junior
  • Averaged 17 points per game, 10 rebounds per game and three assists per game as a senior
  • Norcal Sports TV All-Star game selection
  • Team captain as a senior
  • MVP of the West Bay Athletic League as a senior
  • Three-year starter, two-time captain on lacrosse team
  • First-team All-West Catholic Athletic League
  • Adrenaline Lacrosse four-star recruit
  • US Lacrosse All-American
  • Earned seven letters in high school

PERSONAL

  • Son of Anne and Eric Kastner
  • Has two older half-brothers, Gage and Brett, and two older half-sisters, Krista and Abby
  • Father, Eric, played football and rugby at Cal