 He was also named an All-NCHC Honorable Mention.At the completion of his junior season with the Huskies in 2017–18, in which he was selected as the Conference's defensive defenseman of the year, Borgen was signed to an entry-level professional contract by the Sabres on March 25, 2018.He was assigned to join the Sabres' AHL affiliate, the Rochester Americans on an amateur try-out agreement to play out the remainder of the campaign.