James Horan on ‘phenomenon’ Oisín Mullin: 'His physical capacity and room to grow even further were obvious’

Oisin Mullin of the Cats trains during a Geelong Cats Training Session at GMHBA Stadium on September 22, 2025 in Geelong, Australia. (Photo by Morgan Hancock/Getty Images)

Oisín Mullin’s remarkable success in Australia is no surprise, according to his former Mayo manager James Horan.

Mullin will take part in the AFL Grand Final this Saturday alongside Mark O’Connor as Geelong take on reigning champions Brisbane.