[7] He helped the Stampede capture the 2015 Clark Cup with a team-leading 16 points (seven goals and nine assists) in 19 postseason games.

[5] Joining the team for the 2015–16 college hockey season, Eyssimont recorded his first NCAA Division I goal on October 31, 2015, when St.

[9] In January, Eyssimont scored three goals in the North Star College Cup and was named the tournament's most valuable player.

[14] The Huskies then advanced to the 2016 NCAA Division I Men's Ice Hockey Tournament, where they were eliminated by Ferris State in the West Regional.

[19] After the Huskies were eliminated from the 2018 NCAA tournament, Eyssimont signed a two-year entry-level contract with the Kings.

[20] He spent those two seasons with the Ontario Reign, the Kings' American Hockey League (AHL) affiliate, where he recorded 22 goals and 49 points in 122 games.

After scoring 15 goals and 35 points in 35 games for the Moose during the 2021–22 season, Eyssimont was promoted to the NHL on April 11 as a fill-in for the injured Blake Wheeler.

[26] On March 1, the Sharks traded Eyssimont to the Tampa Bay Lightning in exchange for Vladislav Namestnikov.

[citation needed] Eyssimont has a twin sister named Anastasia, who planned to become a professional gymnast before suffering a career-ending elbow injury.