Played on one U.S. National Junior Team (2017 - gold) and one U.S. Men's National Under-18 Team (2015 - gold)

IIHF World Junior Championship, Under-18 World Championship

• Member of the gold-medal winning U.S. National Junior Team that competed in the 2017 International Ice Hockey Federation World Junior Championship in Montreal and Toronto, Canada
  • Tallied three assists in seven outings
• Member of the U.S. National Under-18 Team that claimed the gold medal at the 2015 IIHF Under-18 World Championship in Zug, Switzerland
  • Contributed four points (1-4) in seven games

Other International Events

• Member of the U.S. National Under-18 Team that finished second at the U18 Five Nations Tournament in Kravare and Poruba, Czech Republic
  • Collected two assists in four outings
• Member of the U.S. National Under-18 Team that won the 2014 Four Nations Tournament in Sundsvall, Sweden
  • Skated in one game earning one assist
• Member of the U.S. National Under-17 Team that finished first at the 2014 Five Nations Tournament in Sundsvall, Sweden
  • Skated in three games and notched one assist
• Member of the U.S. National Under-17 Team that won the 2014 World Under-17 Hockey Challenge in Sydney, Nova Scotia
  • Had two assists in six outings
• Member of the U.S. National Under-17 Team that captured the 2013 Four Nations Tournament in Prievidza, Slovakia
  • Recorded two assists in four games

In his second season with Boston College, a member of Hockey East Association

• NCAA Frozen Four Appearance (2015-16)
• Hockey East Pro Ambitions All-Rookie Team (2015-16)

2016-17 (Sophomore) (As of Dec. 10)

• Has tallied 13 points, including five goals and eight assists, in 19 outings
  • Ranks sixth among all Eagles skaters in points
  • Leads all Eagles defensemen in points and goals while ranking third in assists
• Among all NCAA Division I defensemen, is tied for seventh in goals
• Including Hockey East defensemen, shares the lead in goals and is tied for third in points and 10th in assists

2015-16 (Freshman)

• Tallied 27 points, including four goals and 23 assists, in 39 games for the Eagles
  • Ranked 11th among NCAA defensemen in scoring and second among NCAA freshmen defensemen

Played two seasons for USA Hockey's National Team Development Program (2013-15)

2014-15

• Member of the U.S. National Under-18 Team that competed in the United States Hockey League and against NCAA Division I and Division III opponents and international teams
• In 48 games played, scored six times and added 13 assists for 19 points

2013-14

• Member of the U.S. National Under-17 Team that competed in the United States Hockey League and against international teams
• Collected 11 points (3-8) in 52 outings

• Drafted by the Buffalo Sabres in the third, round, 86th overall, of the 2016 National Hockey League Entry Draft
• Son of Tom and Kerry
• Father, Tom, played in the NHL for 17 years with seven teams. Currently the assistant general manager for the NHL’s New Jersey Devils, he won the Stanley Cup in 2009 as an assistant coach with the Pittsburgh Penguins
• Brother, Ryan, was drafted by the Boston Bruins in the fourth round, 120th overall, of the 2013 NHL Draft and is in his senior season with Boston College
• Cousins, Jimmy and Kevin Hayes, play professional hockey. 
• Jimmy is currently with the Boston Bruins and skated with the NTDP from 2006-08. Kevin played four years (2010-14) with Boston college and signed with the New York Rangers. Both Jimmy and Kevin were members of the 2014 U.S. Men’s National Team
• Cousin, Matthew Tkachuk, was drafted by the Calgary Flames in the first round, sixth overall, of the 2016 NHL Entry Draft. Tkachuk earned a bronze medal with the 2016 U.S. National Junior Team and won a gold medal alongside Fitzgerald at the 2015 IIHF Under-18 Men’s World Championship. 
• Tkachuk’s father, Keith, played in the NHL for 19 years with four teams and amassed over 500 goals and 1,000 points.   Inducted into the U.S. Hockey Hall of Fame in 2011, he also represented the United States on eight occasions, helping Team USA win the inaugural 1996 World Cup of Hockey event, a silver medal at the 2002 Olympic Winter Games, and a bronze medal at the 1992 IIHF World Junior Championship
• Participated in the 2014 CCM/USA Hockey All-American Prospects Game in Buffalo, New York