Career
Grundy was used mostly as a rover during his career, which began at West Australian National Football League (WANFL) club East Perth in 1931. He kicked 19 goals for East Perth, from 13 games, before joining Footscray for a two season VFL stint. In 1933 he made 13 appearances with Footscray and played another 15 games in 1934, spending a lot of his time as a wingman.
Back in Western Australia, Grundy spent a season in the Goldfields National Football League with Mines Rovers in 1937 and appeared in their premiership team
He returned to the WANFL in 1938 for one final year and spent the season with South Fremantle, playing 17 games.