Mason Geertsen
| DATE | STATUS | FROM | TO | SOURCE |
|---|---|---|---|---|
| 11/21/2025 | ||||
| 11/21/2025 | Up/Down | Buffalo Sabres | Rochester Americans | |
| 07/01/2025 | ||||
| 07/01/2025 | Confirmed | Vegas Golden Knights | Buffalo Sabres | |
| 07/02/2023 | ||||
| 07/02/2023 | Confirmed | New Jersey Devils | Vegas Golden Knights | |
| 07/15/2022 | ||||
| 07/15/2022 | Extension | New Jersey Devils | New Jersey Devils | |
| 10/03/2021 | ||||
| 10/03/2021 | Confirmed | New York Rangers | New Jersey Devils | |
| 03/03/2021 | ||||
| 03/03/2021 | Confirmed | Hartford Wolf Pack | New York Rangers | |
| 04/24/2020 | ||||
| 04/24/2020 | Extension | Hartford Wolf Pack | Hartford Wolf Pack | |
| 09/30/2019 | ||||
| 09/30/2019 | Confirmed | Colorado Avalanche | Hartford Wolf Pack | |
| 07/14/2018 | ||||
| 07/14/2018 | Extension | Colorado Avalanche | Colorado Avalanche | |
| 03/25/2015 | ||||
| 03/25/2015 | Confirmed | Vancouver Giants | Colorado Avalanche | |
| 10/31/2012 | ||||
| 10/31/2012 | Confirmed | Edmonton Oil Kings | Vancouver Giants | |
Drafted 2010, 1 #18 overall by Edmonton Oil Kings in the WHL Prospects Draft
2013 NHL Entry Draft: Ranked #112 by FCHockey