Prior to Stanford
- 2025 graduate of San Clemente High School in San Clemente, Calif.
- Helped his team to a Sea View League title (2025)
- Sea View League MVP (2025)
- Three-time All-Sea View League (2023-25)
- All-CIF first team (2025)
- .340 career batting average in high school
- Totaled 20 career wins and 196 career strikeouts, including 90 as a senior, while not surrendering a run during league play in his final campaign
- Ranked the No. 21 outfielder in California according to Perfect Game
- Played for Saddleback Cowboys, Garciaparra Baseball Group, WOW Factor and CBA Marucci on the travel baseball circuit
- Named Elite Pitcher while playing with Garciaparra Baseball Group in Jupiter, Fla.
Personal
- Son of Katie and Daren Erspamer
- Has one sibling, Robbie