Prior to Stanford
- 2024 graduate of Granada High School in Livermore, Calif.
- Guided his team to a CIF NorCal State Division I championship while posting a 32-1 record (2024)
- Led Granada High School to the EBAL championship and an NCS Division I title (2024)
- Max Preps All-America first team pitcher (2024)
- All-State first team as a two-way player according to Prep Baseball and Cal-Hi Sports (2024)
- All-State Pitcher by SB Live (2024)
- ABCA/Rawlings High School Region team (2024)
- West Coast Preps Player of the Year (2024)
- Bay Area News Group Baseball Player of the Year (2024)
- 49er Cal High Sports NCS Player of the Year (2024)
- East Bay Athletic League Player of the Year (2024)
- TV30 Tri-Valley Sports Final Outstanding Athlete (2024)
- Granada High School Athlete of the Year (2024)
- Livermore Granada Boosters Olympian Scholarship Athlete (2024)
- Went 13-0 with a 0.93 ERA as a senior in 2024
- Ranked the No. 31 right-handed pitcher in California according to Perfect Game
- Competed for NorCal Baseball on the club circuit (2019-23)
- 2022 Underclass Area Code Games Participant (Athletics)
- 2023 Upperclass Area Code Games Participant (Athletics)
- Also competed in basketball at Granada High School
Personal
- Son of Allison and Jarrett Warner
- Has one brother, Benjamin, and a sister, Charlotte