Brissett is a native of Mississauga, Ontario, and primarily played basketball growing up before turning his attention to football.

[2] He transferred to Lake Forest Academy in Illinois for his sophomore year, where he played basketball, football, and track.

Brissett ran a 4.59 40-yard dash, has a vertical leap of 35 inches, and was named the Chicago Catholic League Red Division's Offensive Player of the Year.

His season was cut short after three games after an ankle injury that he suffered on September 13 against Saint Francis (PA).

[6] Brissett applied for a medical hardship waiver from the NCAA, and after receiving it decided to transfer to Virginia for his final season of eligibility, despite initially saying he was going to play at Illinois.

[8] Following training camp, he made the team's active roster and played in his first professional game on August 7, 2021, against the Calgary Stampeders.

[9][10] He also made his post-season debut in the team's East Final loss to the Hamilton Tiger-Cats, but did not record any statistics.

[12] In the 111th Grey Cup, Brissett caught three passes for 45 yards and a touchdown, and recovered an onside kick attempt in the team's victory over the Winnipeg Blue Bombers.