Isaiah Arriaza is a quarterback for Oregon State from La Verne, California, where he attended Damien High School. A three-star recruit, Arriaza was a three-year starter for the Spartans, throwing for 8,970 yards and 86 touchdowns during his prep career. As a senior in 2024, he passed for 3,289 yards and 33 touchdowns while completing 66 percent of his attempts. He led Damien to the program's first outright Baseline League championship and was named the 2025 San Gabriel Valley Tribune Player of the Year. Arriaza is currently a true freshman at Oregon State, majoring in business administration.

Oregon State2026 — present