Holyfield, a 6-foot-8-inch (2.03 m) power forward, averaged 7.5 points, 4.2 rebounds, 1.1 assists and 1.5 blocks per game as a freshman. As a sophomore, he averaged 11.7 points and 7.2 rebounds per game.[2] He was named to the Second Team All-Southland Conference.[3] On November 18, 2017, he scored a career-high 25 points and had nine rebounds and five steals in a 118–64 win against Howard Payne University.[4] Holyfield averaged 12.9 points and 6.4 rebounds per game as a junior while shooting 54.8 percent from the field.[5] He was named to the Third Team All-Southland as well as the All-Defensive Team.[6] Holyfield earned MVP honors of the 2018 Southland Conference men's basketball tournament.[1] Holyfield helped the Lumberjacks reach the NCAA tournament before losing to Texas Tech 70–60 in the first round with Holyfield contributing 10 points and four rebounds.[5] He redshirted the 2018–19 season with a shoulder injury, and spent the season giving a speech at his church, wrapping Christmas presents for under-privileged children and visiting children in Belfast.[7]
After the season, Holyfield decided to transfer to Texas Tech, choosing the Red Raiders over Kansas, Oregon, Illinois and Miami (FL).[5] He had 15 points and six rebounds in the season-opening victory over Eastern Illinois, followed by 20 points and had six rebounds in a win over Bethune–Cookman.[8] Holyfield was named Big 12 newcomer of the week on November 11, 2019. As a senior, Holyfield averaged 8.9 points, 4.5 rebounds and 1.1 assists per game.[9]