In 40 games with the Boston College Eagles of Hockey East (NCAA) this past season, Hayes registered 27 goals and 38 assists for 65 points, along with 16 penalty minutes and a plus-34 rating.
He was a finalist for the Hobey Baker Award as the top player in collegiate hockey, and he was named to the NCAA East First All-American Team and Hockey East's First All-Star Team.
The Dorchester, Massachusetts native has also represented Team USA on several occasions. Most recently, Hayes tallied two points (one goal, one assist) in eight games at the 2014 IIHF World Championship in Minsk, Belarus.
Hayes was originally selected by Chicago in the first round, 24th overall, of the 2010 NHL Entry Draft.