[1] He would then join the Omaha Lancers of the United States Hockey League (USHL) to complete the 2014–15 season.

Cloud State University of the National Collegiate Hockey Conference while majoring in sports management.

Cloud State, Borgen recorded his first collegiate point, an assist, in a game against Miami University on October 30.

[8] At the completion of his junior season with the Huskies in 2017–18, Borgen was signed to an entry-level contract by the Buffalo Sabres on March 25, 2018.

[14] During the 2024–25 season, on December 18, 2024, Borgen was traded by the Kraken to the New York Rangers along with two draft picks in exchange for Kaapo Kakko.