He played college football for the Penn State Nittany Lions, earning consensus All-American honors in 2023.
He committed to Penn State University to play college football.
[5][6] Fashanu was voted to the 2023 College Football All-America Team and was named the Big Ten's Rimington–Pace Offensive Lineman of the Year before declaring for the 2024 NFL draft.
[7][8] Fashanu was selected by the New York Jets with the 11th overall pick in the 2024 NFL draft.
Fashanu suffered plantar fasciitis in Week 16 and missed the rest of the season.