Prior to Stanford
- Played at Santa Margarita High School in Santa Margarita, California for head coach Anthony Rouzier
- Four-star recruit by ESPN, 247Sports, and Rivals
- Ranked No. 293 in nationally by ESPN and as high as No. 25 nationally among wide receivers
- Lands in the top-25 among California prospects by both ESPN and 247Sports
- Consensus top-10 wide receiver in California, ranked No. 2 by ESPN and No. 3 by 247Sports
- Also ran track in high school
- In 10 games as a junior, recorded 78 receptions, 930 yards, and 10 receiving touchdowns
- All-American Bowl invitee
- All-Trinity League First Team 2022
- First Team All-State 2022 as wide receiver
- Third Team All-State 2022 as defensive back
- All-CIF Division 1 Team 2022
Personal
- Son of Emmett and Cindy Mosley
- Has four siblings: Jalyn, Trent, and Grant
- Both of his parents played at Notre Dame: his father played football and his mother played soccer and was an All-American
- Interested in pursuing pre-med