A midfielder, Larkin appeared 172 times for the Kangaroos in the VFL/AFL between 1984 and 1993. He captained the club for three seasons in the early 1990s.
From 1985 until 1988 he won three of the four North Melbourne best and fairest awards. He had been recruited from Boronia.
Victoria 19.12 (126) defeated Western Australia 10.12 (72), at the WACA Ground, 16 May 1989, crowd: 20,993
Victoria 22.17 (149) defeated South Australia 9.9 (63), at the MCG, 1 July 1989, crowd: 91,960
Victoria 17.14 (116) defeated Tasmania 14.20 (104), at North Hobart Oval, 28 May 1991
Queensland 23.14 (152) defeated Victoria 15.8 (108), at The Gabba, 16 July 1991