Andersson, 18, skated in 42 games with HV71 of the Swedish Hockey League (SHL) this past season, registering nine goals and 10 assists for 19 points, along with a plus-21 rating and 18 penalty minutes. He established SHL career-highs in several categories in 2016-17, including games played, goals, assists, points, and plus/minus rating. Andersson ranked eighth in the SHL - and led all junior players (younger than 20 years old) in the league - in plus/minus rating this past season. He also ranked second among all junior players in the SHL in goals and assists, and tied for second among all junior players in the SHL in points in 2016-17.