Coleman made his debut for the
Brisbane Lions' 8 point win over
Collingwood in the 15th round of the
2020 AFL season. On debut, Coleman picked up 12 disposals, 4 marks and 4 tackles. Following his rookie season, Coleman saw himself in and out of the Lions lineup in place of other defenders, however the latter half of the season saw Coleman show promise. Coleman ended up playing in both of the Brisbane Lions finals losses. In the
Qualifying Finals loss to the
Melbourne Demons, Coleman collected a then career-high 18 disposals, along with 10 kicks and 6 marks. At the conclusion of the 2021 season, Coleman signed a two-year extension to stay with Brisbane. Coleman fell in and out of the rotation in
2022, but showed signs of promise. In the 20th round of the season, Coleman picked up a career high 30 disposals in a loss to Richmond. Coleman was named in the Lions squad for all remaining games in the season, including Brisbane's three finals games. Entering into the
2023 AFL Season, Coleman became one of Brisbane's key defenders and played a career high 23 games. In the Lions 2023 Preliminary Final matchup against
Carlton Football Club, Coleman had a best on ground performance, finishing with 21 disposals, including 11 intercepts, 10 marks and a team-high 627 metres gained. Coleman had a further impressive outing in the
2023 AFL Grand Final against Collingwood. Despite the loss, Coleman was runner-up for the
Norm Smith Medal with 5 total votes. Coleman finished the year recording 3
Brownlow Medal votes and won the Brisbane Lions Youi Game Changer Award at the annual
Merrett–Murray awards night. Before the 2024 season, Coleman re-signed with Brisbane until the end of 2027. He suffered an
anterior cruciate ligament injury in the first match of the 2024 season and missed the remainder of the season. == Personal life ==