Robertson goes down in the record books as one of the most prolific scorers in Phoenix program history as he became the fourth player to join the 1,000 Point Club and the third to do it by his third season. After transferring in from Bryant & Stratton in Wisconsin, he helped lead Wilson to a conference championship and NCAA tournament appearance in 2023. A year later, he led the Phoenix to the United East Skye Division championship game and was an All-Conference Second Team selection. He capped his career by being named to the United East All-Conference First Team in 2025.