Port Adelaide forward Todd Marshall's future in the AFL is in question following his fifth concussion within three years. After being substituted during last week's semi-final, he has undergone a new brain scan and will miss the upcoming preliminary final against Sydney, raising uncertainties about his potential participation in the grand final.

Fears mount as Port Adelaide forward Todd Marshall undergoes new brain scan with AFL future in doubt | 7NEWS

Marshall's Recent Concussion and Future Assessment

The 25-year-old athlete visited a specialist on Monday to gain insights regarding his condition and future in the league. Port Adelaide assistant coach Tyson Goldsack provided an update, stating that Marshall is "as good as he can be" considering the circumstances. However, there remains ambiguity surrounding his health status and return timeline, as the priority remains his personal well-being over football.

Impact of Concussions on Players

The growing concern over concussions in the AFL is highlighted by the retirements of four players in each of the past two seasons due to similar issues. This year alone, notable players such as Angus Brayshaw, Nathan Murphy, and Josh Carmichael have ended their careers following repeated head injuries. Additionally, Aiden O'Driscoll's career was tragically cut short by a single concussion before he could make his debut.

Incident Details During the Semi-Final

Marshall’s latest concussion occurred during the second quarter of a semi-final match against Hawthorn. He initially passed a concussion test and returned to the game, but reported feeling unwell by the third quarter, leading to his substitution. This situation has sparked discussions about Port Adelaide's management of concussion protocols, although Goldsack has defended the medical team's actions, affirming that they followed necessary procedures during Marshall's assessment.

Potential Changes to the Team

As Marshall sits out, veteran player Charlie Dixon is likely to take his place following his absence in the semi-final due to illness. Additionally, the availability of Dixon and defender Ryan Burton, who is recovering from a calf injury, will be determined after fitness tests later in the week. Meanwhile, Kurt Farrell's efforts to make a return from a hamstring strain may not be sufficient to secure him a spot on the team.