[1] Duggan played for Ballarat's St Patrick's College in the BAS school competition, the Western Jets at TAC Cup and Vic Metro in the National U18s.

[4] Duggan had a standout game in the 53 point victory over St Kilda Football Club in round 8, 2015.

He racked up 23 disposals including six marks and four tackles, which impressed his older teammates, notably Luke Shuey.

[5] Duggan suffered a season ending knee injury during a round 17 Western Australian Football League game playing for East Perth Football Club after copping a knock to his posterior cruciate ligament in his right knee.

[6][7] In Round 8 2024, Duggan was awarded two Brownlow votes for his efforts against the Essendon side which included 8 marks and 2 clearances.