Fantilli, 18, registered 30 goals and 35 assists for 65 points with 10 power play goals, 145 shots on goal and a +31 plus/minus rating in 36 games in his freshman campaign at the University of Michigan in 2022-23. He became the third freshman in NCAA history to win the Hobey Baker Award, joining Paul Kariya (1993 with Maine) and Jack Eichel (2015 with Boston University), after leading all college players in goals, points, points-per-game (1.81), goals-per-game (0.83) and assists-per-game (tied, 0.97). The center was named the NCAA Top Collegiate Rookie (Tim Taylor Award) and the Big 10 Freshman of the Year after leading Michigan to the Big 10 Championships. He was also named to the NCAA First All-American Team, the First-Team All-Big 10 and the Big 10 All-Freshman Team.