Arnold joined the
Oklahoma Sooners as an early enrollee in January 2023. He entered his freshman season as the backup to starter
Dillon Gabriel. Arnold made his college debut in the Sooners' season opener against
Arkansas State, entering the game in the third quarter and completing all 11 of his pass attempts for 114 yards and one touchdown and also rushing for 39 yards and one touchdown in a 73–0 win. Following Dillon Gabriel's transfer to
Oregon in December 2023, Arnold was named the starting quarterback for
Oklahoma's bowl game against Arizona. In 2024, Arnold made four starts before getting benched for true freshman
Michael Hawkins Jr. On December 4, 2024, Arnold announced he would enter the transfer portal. On December 14, 2024,
Auburn announced they had signed Arnold. On December 7, 2025, it was reported that Arnold would enter the transfer portal again. On January 7, 2026, Arnold transferred to
UNLV.
Statistics ==References==