[2] Coming out of high school, O'Neil was rated as a three-star recruit and received offers from schools such as Colorado, Indiana, Louisville, Purdue, Northwestern, Syracuse, Wake Forest, and West Virginia.
[3] However shortly after the conclusion of Colorado's regular season finale, O'Neil de-committed from the Buffaloes.
[1] Ultimately, O'Neil committed to play for the San Diego State Aztecs.
[4] In 2024, O'Neil became the first true freshman starting quarterback for the Aztecs in the Division I era.
After sitting out a week, he threw for 246 yards and two touchdowns in a loss to Central Michigan.