Usually there is a 5-year clock for athletes to play 4 years. Student-athletes whose 2020-2021 season was impacted by the COVID-19 pandemic get 6 years to compete in 4 full seasons of their sport in college. Since he enrolled in 2018, his last year of eligibility is 2023.
Good luck to him. He always seemed on the brink of being a contributor but never was able to beat out the guys in front of him for whatever reason.