Dubé was drafted by the Kelowna Rockets of the Western Hockey League (WHL) in the first round of the 2013 WHL Bantam Draft.[1] Dubé averaged 1.38 points per game in 40 games with the Rockets during the 2016–17 season.[2] For the 2017–18 season he was named an alternate captain of the Rockets.[3] That season, he recorded career-highs in goals, assists, and points and was awarded the Rockets President's Award as a player who made outstanding and significant accomplishments.[4]
Professional career
Dubé was selected by the Calgary Flames of the National Hockey League (NHL) 56th overall in the 2016 NHL Entry Draft. On March 24, 2017, he signed a three-year, entry-level contract with the Flames.[5] After an early elimination in the 2018 playoffs, Dubé was assigned to the Calgary Flames American Hockey League (AHL) affiliate, the Stockton Heat.[6] After participating in the Flames training camp, Dubé made the team's opening night roster for the 2018–19 season.[7] He made his NHL debut on October 3, 2018, in a 5–2 loss to the Vancouver Canucks.[8] On November 7, the Flames placed Dubé on injured reserve to recover from an upper body injury he suffered on November 3.[9] Dubé returned to the Flames lineup on November 17, to play against the Edmonton Oilers,[10] and he scored his first NHL goal on November 21, in a 6–3 win over the Winnipeg Jets.[11] Dubé was re-assigned to the Stockton Heat on November 29,[12] but he was recalled a month later on December 29, after playing in eight games and recording eight points.[13] Dubé scored the game-winning goal in the Flames 4–0 win over the Winnipeg Jets in the 2020 Stanley Cup qualifiers.
On August 26, 2021, Dubé signed a three-year, $6.9 million contract with the Flames.[14][15]
On January 21, 2024, the Flames announced that Dubé would begin an indefinite leave from the team, citing his mental health and saying that he was "under the care of health professionals".[16][17] On January 30, 2024, Dubé was charged with sexual assault after a 2018 alleged assault in London, Ontario.[18][19] The team released a statement saying that they "had no knowledge of pending charges at the time Dillon's request for a leave of absence was granted."[20] On February 5, 2024, the London Police Service announced that Dubé had been charged with one count of sexual assault.[21]