DeGraaf enrolled early at Washington, traveling to their appearance in the 2024 [College Football Playoff National Championship]. Due to injuries, he saw significant playing time as a true freshman for the Huskies in 2024. He was the team's main pass-catching tight end and finished the season with 15 receptions for 233 yards and three touchdowns, leading the team with an average of 15.5 yards-per-catch. For his performance, he was named a consensus first-team Freshman All-American.