in 2022.
Ottawa Redblacks Auclair was drafted in the first round, sixth overall, by the
Ottawa Redblacks in the
2020 CFL draft, but did not play in 2020 due to the cancellation of the
2020 CFL season. Instead, he signed with the team on February 12, 2021. He made the team's active roster following training camp and played in his first professional game on August 7, 2021, against the
Edmonton Elks, where he had two special teams tackles. He continued to start at linebacker until he suffered a hand injury following the week 9 game against the
Calgary Stampeders. After being placed on the injured list for six games, he returned to play as a backup linebacker in the
Thanksgiving Day Classic against the
Montreal Alouettes where he had four defensive tackles and two special teams tackles.
Saskatchewan Roughriders On February 9, 2024, it was announced that Auclair had signed with the
Saskatchewan Roughriders to a one-year contract. He played in 15 regular season games where he had 37 defensive tackles, 16 special teams tackles, and three interceptions.
BC Lions On February 11, 2025, it was announced that Auclair had signed with the
BC Lions. On June 1, 2025, Auclair was placed on the Lions' 1-game injured list to start the
2025 CFL season. He rejoined the active roster on June 19, 2025. On July 13, 2025, Auclair was placed on the Lions' 6-game injured list after suffering an injury during the previous week's game against the
Montreal Alouettes. He rejoined the active roster on September 4, 2025. On February 10, 2026, Auclair became a free agent at the conclusion of his contract with the Lions. ==Personal life==