| RD | TEAM | FROM | VIA | PLAYER | JUNIOR |
| 1 | Brooklin |
|
| Jonathan Donville | Orangeville/Mimico |
| 1 | Cobourg |
|
| Latrell Harris | St. Catharines |
| 1 | Brampton |
|
| Rylan Hartley | Orangeville |
| 1 | Brooklin [10] | Oakville |
| Ty Thompson | Nepean |
| 1 | Brooklin [6] | Six Nations |
| Nick Damude | St. Catharines |
| 1 | Brampton [8] | Peterborough |
| Alex Pace | St. Catharines |
| RD | TEAM | FROM | VIA | PLAYER
| JUNIOR
|
| 2 | Oakville [10] | Brooklin |
| Jack Kelly | Toronto |
| 2 | Cobourg |
|
| Ethan Woods | Toronto |
| 2 | Brampton |
|
| Pat Kaschalk | Burlington |
| 2 | Cobourg [2] | Oakville |
| Riley Curtis | St. Catharines |
| 2 | Brampton [11] | Cobourg [1] | Six Nations | Jake McNabb | St. Catharines |
| 2 | Peterborough |
|
| Matt Smith | Peterborough |
| RD | TEAM | FROM | VIA | PLAYER
| JUNIOR
|
| 3 | Brooklin |
|
| Corson Kealey | Toronto |
| 3 | Brooklin [7] | Six Nations [5] | Cobourg | Justin Inacio | Burlington |
| 3 | Brampton |
|
| Jackson Reid | Six Nations |
| 3 | Oakville |
|
| Ron John | Six Nations |
| 3 | Brampton [3] | Six Nations |
| Oliver Bolsterli | Six Nations |
| 3 | Peterborough |
|
| Travis Brown | Orangeville |
| RD | TEAM | FROM | VIA | PLAYER
| JUNIOR
|
| 4 | Brooklin |
|
| Mathieu Boissoneault | Whitby |
| 4 | Cobourg |
|
| Travis Longboat | Six Nations |
| 4 | Cobourg [4] | Brampton |
| Skyylar Thomas | Toronto |
| 4 | Cobourg [2] | Oakville |
| Ben Utrosa | Whitby |
| 4 | Six Nations |
|
| Dan Balaweder | Six Nations |
| 4 | Peterborough |
|
| Keaton Thomson | Mimico |
| RD | TEAM | FROM | VIA | PLAYER
| JUNIOR
|
| 5 | Brooklin |
|
| Bryce Tolmie | Green Gaels |
| 5 | Cobourg |
|
| Cam Badour | Whitby |
| 5 | Brampton |
|
| Kyle Dawson | Wallaceburg |
| 5 | Oakville |
|
| Alec Simons | Mimico |
| 5 | Brampton [9] | Six Nations |
| James Whiteford | Brampton |
| 5 | Oakville [12] | Peterborough |
| Taylor Kauffeldt | Brampton |
Transaction notes:
[1] Cobourg receives the rights to Wenster Green, Six Nations 2nd rd pick in 2020, and 3rd rd pick in 2021. Six Nations receives Kyle Jackson and Patrick Corbett
[2] Cobourg receives Oakville 2nd & 4th Rd picks in 2020 draft in exchange for 2018 3rd Rd 14th overall.
[3] Brampton sends the rights to Tyson Bell to Six Nations. Brampton receives Marty Hill, Jake Crans, Joe Maracle, 2019 1st rd pick, 2020 3rd rd pick and 2021 2nd rd pick.
[4] Cobourg receives Ryan Lee, Zach Herreweyers, and a 2020 4th Rd pick from Brampton in exchange for Chad Cummings, John St. John and MSL rights to Wenster Green.
[5] Six Nations receives Cobourg's 3rd Rd pick in exchange for Paxton Leroux
[6] Brooklin receives Six Nations 1st Rd pick in 2020,2021 & 2022 Six Nations 3rd Rd pick in 2022, & rights to Dylan Riley & Should Miles Thompson sign with Six Nations prior to or for 2020 Brooklin would receive a 2nd Rd pick in 2023
[7] Brooklin receives Six Nations 3rd Rd pick in 2020 (from Cobourg), Six Nations 2nd Rd pick in 2022 for Kevin Brownell
[8] Brampton receives Dylan Evans and Peterborough's 2020 1st Rd pick in exchange for Joe Resetarits
[9] Brampton receives Six Nations 2020 5th Rd pick for the MSL rights to Wayne Vanevery
[10] Oakville receives Dan Lintner, Sheldon Burns and Brooklin's 2020 2nd rd draft pick in exchange for the rights to Chris Boushy, and Oakville's 2020 1st rd draft choice.
[11] Cobourg receives Bennett Drake and rights to Zach Tomkinson in exchange for a 2020 2nd Rd draft pick (originally Six Nations).
[12] Peterborough trades the 30th pick overall to the Oakville Rock in exchange for Oakville 4th Rd pick in 2021
MSL 
