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Roster snapshot: · Official source ↗
PLAYER DETAILS · 2026
Source record updated: 2026-09-14.
Read the official player biography ↗Summary
Madden Riordan enrolled at USC in spring 2026 after graduating a semester early. His high school career included Mission League MVP recognition in both 2024 and 2025, along with team captain responsibilities in those seasons.
Checked 2026-10-09 · Sources: USC Athletics — official biography
Background
Riordan recorded ten interceptions and 14 pass breakups in 2024, earning first-team MaxPreps Junior All-America recognition. His honors also included Cal-Hi Sports Defensive Back of the Year and the Los Angeles Times' Defensive Back of the Year award.
Checked 2026-10-09 · Sources: USC Athletics — official biography
Career
Riordan finished his 2025 senior season with 32 tackles, four interceptions and seven pass breakups. He earned first-team MaxPreps All-California and All-CIF Division I recognition, adding to honors from his earlier high school seasons.
Checked 2026-10-09 · Sources: USC Athletics — official biography
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