He played six games in Box Hill's senior team early in the year but suffered a hand injury.
Grimley started 2013 showing strong performances for Box Hill and the selectors were watching.
[1] An ankle injury to David Hale helped open up an opportunity for Grimley to debut against Gold Coast in Round 9 of the 2013 AFL season.
He tied with Port Melbourne's Daniel Connors as the leading goalkicker in the 2014 VFL home-and-away season, kicking 38 goals for the year.
[4] In 2015 he again spent the whole season playing for Box Hill, and with 42 goals was again joint-winner of the Frosty Miller Medal.