Youth As a youth, Carrier played in the 2007
Quebec International Pee-Wee Hockey Tournament with a
minor ice hockey team from Deux-Rives. During the 2009–10 season, Carrier played in three games for the midget AAA team Lac Saint-Louis Lions. He recorded his first QMJHL goal on September 10, 2010, in a 3–2 win over the
Halifax Mooseheads. Carrier was later selected to compete with Team Canada Quebec at the
2011 World U-17 Hockey Challenge, where he recorded five points in six games. During a game against the Baie-Comeau Drakkar, Hockey Canada’s head scout Kevin Prendergast attended to view Carrier's play. Passed over in the first round, he was selected by the
St. Louis Blues in the second round, 57th overall. On August 19, 2013, Carrier was signed to a three-year entry-level contract with the Blues. In the
2013–14 season, on January 7, 2014, the Eagles traded Carrier along with Matthew Donnelly to the
Drummondville Voltigeurs in exchange for Guillaume Gauthier, a first round pick in 2015, and a fifth round pick in 2014. Over a month later, Carrier was involved in a second trade as on February 28, 2014, the Blues traded his NHL contract, along with
Chris Stewart,
Jaroslav Halák, and 1st and 3rd round draft picks for the
2014 NHL entry draft to the
Buffalo Sabres in exchange for netminder
Ryan Miller and captain
Steve Ott.
Professional Carrier made his NHL debut on November 5, 2016, against the
Ottawa Senators and recorded his first NHL goal against the
Pittsburgh Penguins on November 19. During a game against the
Boston Bruins in December 2016, Carrier was penalized for an illegal check to the head on
David Backes, who suffered a concussion. Having been left exposed by the Sabres for the
2017 NHL Expansion Draft, Carrier was selected by the Vegas Golden Knights on June 21, 2017. Carrier and the Golden Knights qualified for the
2018 Stanley Cup playoffs in their inaugural season. During the first round of the playoffs against the
Los Angeles Kings, Carrier entered into concussion protocol as a result of an illegal check to the head by
Drew Doughty. Carrier would be sat out another game during the Knights' third round against the
Winnipeg Jets. On February 27, 2020, Carrier signed a four-year, $5.6 million contract extension with the Golden Knights. By the
2022–23 season, Carrier was one of six remaining original members of the Golden Knights, alongside
Jonathan Marchessault,
William Karlsson,
Reilly Smith,
Brayden McNabb and
Shea Theodore. The team reached the
Stanley Cup Final for the second time, winning the Cup over the
Florida Panthers in five games. Following seven seasons with the Golden Knights, Carrier left the organization as a free agent and was signed to a six-year, $12 million contract with the Carolina Hurricanes on July 3, 2024. ==International play==