Balwyn always do good work in the Transfer Window – and 2021 is no different.
IN
| Kyle Eliott | Southport (NEAFL) |
| Jordan Lisle | Melton South (Ballarat) |
| Koolyn Briggs | Airport West (EDFL) |
| Luke Di Cosmo | Heidelberg |
| Alexander Young | The Basin |
OUT
| Matthew Shannon | Shepparton (Golburn Valley) |
| Jesse Glass-McCasker | Yarraville Seddon (WRFL) |
| Rhys Krishnasamy | Old Trinity (VAFA) |
| Oscar Williams | St Kevins OB (VAFA) |
| Jyedin Williams | Box Hill North AFC |
| Liam Frazer | Sorrento (MPNFL) |
| Cooper Sharman | Eagles (SANFL) |
| Brandon Truong | Box Hill North AFC |
| Cameron Manuel | Moe (Gippsland) |
