Prior to Stanford
- 2025 graduate of Valley Christian High School in San Jose, Calif.
- Helped his team to CCS championship (2023) and an All Faiths Classic title (2025)
- Led Valley Christian to a pair of West Catholic Athletic League championships (2023-24)
- MaxPreps All-America second team (2025)
- Two-time 49ers Cal-Hi CCS Player of the Year (2024-25)
- Three-time All-West Catholic Athletic League first team (2023-25)
- Prep Baseball Report All-State outfielder (2024)
- Won the regular-season West Catholic Athletic League batting title as a senior
- Ranked the No. 9 left-handed pitcher in California and 98th-best high school lefty in the nation according to Perfect Game
Personal
- Son of Joanne and Christian Marsh
- Has two siblings, Tatum and Sia
- Brother, Tatum, also plays baseball at Stanford