The Brisbane Lions are facing a sudden-death AFL final after suffering a heavy 53-point defeat to the Sydney Swans, putting their hopes of winning a third consecutive premiership under immediate pressure.

Brisbane's loss came despite Sydney entering the match without several key players and later losing captain Callum Mills to injury. The Swans produced a strong performance that exposed weaknesses in the Lions' game and left Brisbane needing to respond in their next finals match.

The defeat has generated questions about Brisbane's preparation and intensity, particularly because the Lions are attempting to defend their premiership after winning the AFL flag in 2024 and 2025.

Brisbane midfielder Josh Dunkley rejected suggestions that the team had become complacent. He described the performance as an off day and said the Lions understood that their next opportunity would require a significant improvement.

The Lions now face Adelaide in an elimination final. Unlike a qualifying final, the elimination final offers no second chance: the losing team will immediately exit the 2026 finals series.

Brisbane's coaching staff are expected to carefully assess the side following the loss to Sydney. Coach Chris Fagan has generally shown confidence in his established group, meaning major changes to the playing line-up are not necessarily expected.

The upcoming match also carries an interesting connection for Brisbane because former Lions player Callum Ah Chee is now part of the Adelaide side. His knowledge of Brisbane's playing group and systems adds another element to the contest.

For the Lions, the challenge will be to quickly correct the problems exposed against Sydney. Their ball movement, pressure and overall competitiveness will come under close attention as they prepare for the elimination final.

Dunkley has stressed that Brisbane cannot assume it will automatically rediscover the form that helped the club win recent premierships. The team must demonstrate the hunger and intensity required in a knockout final.

The match is particularly important because Brisbane's season is now at a point where one poor performance could end its premiership defence. The Lions will need to respond immediately if they want to remain in contention for another AFL premiership.

The Adelaide clash is expected to attract significant attention in Brisbane, with supporters hoping the Lions can turn around their disappointing performance against Sydney and keep their 2026 campaign alive.