| Number | Player | Position | Bats/Throws | Previous Club/University |
| 19 | Averey, Bet-Payumo | 1B, 3B | R/R | Medaille College |
| 31 | Dyer Boyne | 1B | R/R | Bellevue College |
| 1 | Adam Campbell | OF | R/R | University of British Columbia |
| 30 | Brook Coatsworth | P | R/R | Ilderton Red Army |
| 55 | Jorge Frugoni | P | R/R | Mississauga A's |
| 32 | Garret Gilroy | P | R/R | Leaside Junior Leafs |
| 50 | Chris Goodale | P | R/R | Oshawa Royals |
| 5 | Noah Koffman | ss | R/R | Brock University |
| 15 | Jeff Gruchy | 1B, 3B | R/R | Brock University |
| 20 | Jay Hopkins | C | L/R | University of Toronto |
| 45 | Josh Howsam | P | R/R | University of British Columbia |
| 11 | Tyler Hughes | SS | R/R | University of British Columbia |
| 2 | Liam Jacques | P | R/R | Bellevue College |
| 47 | Sean Kavanaugh | P | R/R | |
| 17 | Kyle Kristenbrun | OF | L/L | Brock University |
| 42 | Mike Loizides | OF | R/R | University of British Columbia |
| 10 | Nick Manoukarakis | SS, 3B | L/R | George Brown College |
| 3 | Clarke Markle | OF | L/L | University of Western Ontario |
| 4 | Andrew Morales | P | R/R | University of Western Ontario |
| 23 | Adam Morton | 1B | R/R | Wright State University |
| 30 | Kenneth Pittman | P | R/R | University of British Columbia |
| 25 | Travis Skelton | OF | R/R | University of Toronto |
| 7 | Jamie Lekas | IF, OF | R/R | University of Toronto / Greek National Team |
| 29 | Mark Tomlinson | P | L/L | North York Junior Blues |
| 9 | Francis Toribio | P | R/R | Martingrove Junior White Sox |
| 18 | Henry Yap | 2B, SS, C | R/R | University of Toronto |
| 30 | Jerimiah Sucre | P/IF | R/R | Ryerson University |
| 26 | Lee Mosbaugh | P/OF | R/L | Leaside Junior Leafs |
| 14 | Laaren Bensette | P | R/R | Leaside Junior Leafs |
2017 Leaside Leafs
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