John Garnet Hathaway was born on November 23, 1991, in Naples, Florida, before his family moved to Kennebunkport, Maine, when he was six months old. Hathaway played four seasons at Phillips Academy Preparatory School in Andover, Massachusetts, and was team captain his senior season. His teammate was New York Rangers wing Chris Kreider. In 106 games at Phillips Academy, Hathaway scored 38 goals and collected 48 assists.
The right-shot winger committed to Brown University and played four seasons there and was Assistant Captain for two of those seasons. In four seasons at Brown, Hathaway scored 20 goals with 38 assists in 121 games.
Hathaway made his professional debut with the Abbotsford Heat of the American Hockey League on March 23, 2014, after signing a minor league deal with them after his senior season at Brown. The 6-foot-3, 215-pound forward played eight games that season and then scored 19 goals for the Abbotsford Flames the next season, tying him for second on the team. On April 13, 2015, Hathaway signed his first NHL contract with the Calgary Flames, a two-year, two-way entry-level deal.
Garnet Hathaway’s NHL Debut To Today
Hathaway made his National Hockey League debut on February 29, 2016, in a 4-3 loss to the Philadelphia Flyers. Hathaway played 18 shifts in 12:51 of ice time with one shot on goal. The big wing scored his first NHL goal on November 20, 2016, in a 4-3 win against goaltender Jimmy Howard and the Detroit Red Wings.
In parts of four seasons with Calgary, Hathaway played 175 games with 16 goals and 24 assists, and a plus-16 rating. He played five postseason games with the Flames in 2018-19. On July 1, 2019, the Washington Capitals signed Hathaway to a four-year, $6 million contract. In 257 games with the Capitals, Hathaway totaled 38 goals and 38 assists, and a plus-38 rating and collected five points in 19 playoff games.
On February 23, 2023, Hathaway was dealt to Boston with Dmitry Orlov as part of a three-team deal. The bottom-six forward will be an unrestricted free agent at the end of the 2022-23 season.