| Date |
|
Pos. |
Player |
Transaction |
| 5/2/22 | Add | G | Calvin Pickard | Assigned to Grand Rapids (AHL) |
| 5/1/22 | Delete | RW | Jan Drozg | Returned to Pittsburgh (NHL) |
| 5/1/22 | Delete | C | Samuel Dove-McFalls | Released from ATO |
| 5/1/22 | Delete | C | Josh Dickinson | Released from PTO |
| 5/1/22 | Delete | D | Butrus Ghafari | Released from PTO |
| 5/1/22 | Delete | LW | Max Humitz | Released from PTO |
| 4/30/22 | Add | C | Joe Veleno | Assigned to Grand Rapids (AHL) |
| 4/30/22 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 4/30/22 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 4/27/22 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 4/26/22 | Add | LW | Max Humitz | Signed to PTO by Grand Rapids (AHL) |
| 4/26/22 | Delete | C | Brett McKenzie | Released from PTO |
| 4/26/22 | Delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 4/26/22 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 4/25/22 | Delete | LW | Turner Elson | Recalled by Detroit (NHL) |
| 4/25/22 | Add | LW | Turner Elson | Signed 1-yr contract with Detroit (NHL) |
| 4/25/22 | Delete | LW | Turner Elson | Released from AHL Contract |
| 4/24/22 | | D | Simon Edvinsson | Signed 3-yr contract with Detroit (NHL) |
| 4/24/22 | Delete | G | David DeSander | Released from PTO |
| 4/24/22 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 4/23/22 | Delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 4/23/22 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 4/22/22 | Add | G | David DeSander | Signed to PTO by Grand Rapids (AHL) |
| 4/22/22 | Add | C | Chase Pearson | Assigned to Grand Rapids (AHL) |
| 4/20/22 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 4/18/22 | Delete | C | Chase Pearson | Recalled by Detroit (NHL) |
| 4/17/22 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 4/17/22 | Add | C | Chase Pearson | Assigned to Grand Rapids (AHL) |
| 4/16/22 | Delete | C | Chase Pearson | Recalled by Detroit (NHL) |
| 4/14/22 | | G | Magnus Hellberg | Cleared waivers added to the Detroit (NHL) roster |
| 4/13/22 | | G | Magnus Hellberg | Placed on Entry Waivers by Detroit (NHL) |
| 4/13/22 | | G | Magnus Hellberg | Signed 1-yr contract with Detroit (NHL) |
| 4/13/22 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 4/12/22 | Delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 4/12/22 | Delete | LW | Patrick Curry | Assigned to Toledo (ECHL) |
| 4/8/22 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 4/7/22 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 4/5/22 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 4/5/22 | Add | C | Samuel Dove-McFalls | Signed to ATO by Grand Rapids (AHL) |
| 4/3/22 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 4/2/22 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 3/31/22 | Add | G | Victor Brattstrom | Assigned to Grand Rapids (AHL) |
| 3/31/22 | Delete | RW | Alexis D'Aoust | Released from PTO |
| 3/30/22 | Add | C | Hayden Verbeek | Recalled from Toledo (ECHL) |
| 3/30/22 | Add | F | Drew Worrad | Signed 2-yr contract with Grand Rapids (AHL) |
| 3/30/22 | Add | F | Trenton Bliss | Signed 2-yr contract with Grand Rapids (AHL) |
| 3/29/22 | Delete | G | Victor Brattstrom | Recalled by Detroit (NHL) |
| 3/29/22 | | LW | Dominik Shine | Suspended 1 gm by AHL |
| 3/28/22 | Add | C | Chase Pearson | Assigned to Grand Rapids (AHL) |
| 3/25/22 | Delete | G | Calvin Pickard | Recalled by Detroit (NHL) |
| 3/25/22 | Add | G | Kaden Fulcher | Recalled from Toledo (ECHL) |
| 3/24/22 | Delete | C | Chase Pearson | Recalled by Detroit (NHL) |
| 3/22/22 | Add | D | Seth Barton | Recalled from Toledo (ECHL) |
| 3/21/22 | | C | Oskar Sundqvist | Acquired from St Louis (NHL) |
| 3/21/22 | | D | Jake Walman | Acquired from St Louis (NHL) |
| 3/21/22 | | C | Vladislav Namestnikov | Traded to Dallas (NHL) |
| 3/21/22 | | D | Nick Leddy | Traded to St Louis (NHL) |
| 3/21/22 | Delete | D/RW | Luke Witkowski | Traded to St Louis (NHL) |
| 3/20/22 | | D | Troy Stecher | Traded to Los Angeles (NHL) |
| 3/18/22 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 3/16/22 | | RW | Cross Hanas | Signed 3-yr contract with Detroit (NHL) |
| 3/16/22 | Delete | D | Seth Barton | Assigned to Toledo (ECHL) |
| 3/14/22 | Add | LW | Patrick Curry | Recalled from Toledo (ECHL) |
| 3/14/22 | Delete | C | Hayden Verbeek | Assigned to Toledo (ECHL) |
| 3/12/22 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 3/11/22 | Delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 3/11/22 | Add | RW | Jan Drogz | Assigned by Pittsburgh (NHL) from Wilkes Barre (AHL) |
| 3/11/22 | Add | D | Butrus Ghafari | Signed to PTO by Grand Rapids (AHL) |
| 3/7/22 | Delete | C | Joe Veleno | Recalled by Detroit (NHL) |
| 3/6/22 | | D | Olli Juolevi | Claimed on waivers by Detroit (NHL) |
| 3/6/22 | Add | C | Joe Veleno | Assigned to Grand Rapids (AHL) |
| 3/4/22 | Add | 0 | Alexis D'Aoust | Signed to PTO by Grand Rapids (AHL) |
| 3/3/22 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 2/23/22 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 2/23/22 | Delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 2/23/22 | Delete | C | Joe Veleno | Recalled by Detroit (NHL) |
| 2/19/22 | | C | Gemel Smith | Claimed on waivers by Tampa Bay (NHL) |
| 2/19/22 | Delete | D | Gordi Myer | Released from PTO |
| 2/18/22 | | C | Gemel Smith | Placed on Waivers by Detroit (NHL) |
| 2/18/22 | Delete | C | Erik Bradford | Released from PTO |
| 2/18/22 | Add | C | Joe Veleno | Assigned to Grand Rapids (AHL) |
| 2/13/22 | Add | D | Dan Renouf | Assigned to Grand Rapids (AHL) |
| 2/12/22 | Delete | D | Dan Renouf | Recalled by Detroit (NHL) |
| 2/8/22 | Add | D | Gordi Myer | Signed to PTO by Grand Rapids (AHL) |
| 2/8/22 | Add | C | Josh Dickinson | Signed to PTO by Grand Rapids (AHL) |
| 2/8/22 | Delete | RW | Matt Berry | Released from PTO |
| 2/8/22 | Delete | C | Joe Veleno | Recalled by Detroit (NHL) |
| 2/5/22 | Delete | D | Blake Hillman | Released from PTO |
| 2/4/22 | Add | GM | Shawn Horcoff | Named Griffins General Manager |
| 2/4/22 | Delete | GM | Pat Verbeek | Left Organization joined Anaheim Ducks (NHL) |
| 2/3/22 | Delete | C | Josh Dickinson | Released from PTO |
| 2/2/22 | Add | C | Joe Veleno | Assigned to Grand Rapids (AHL) |
| 1/31/22 | Delete | G | Kaden Fulcher | Assigned to Toledo (ECHL) |
| 1/30/22 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 1/30/22 | Add | G | Calvin Pickard | Assigned to Grand Rapids (AHL) |
| 1/28/22 | Delete | C | Gemel Smith | Recalled by Detroit (NHL) |
| 1/28/22 | | D/RW | Luke Witkowski | Assigned to Taxi Squad |
| 1/28/22 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 1/27/22 | Delete | LW | Justin Abdelkader | Released from PTO |
| 1/27/22 | Delete | D | Gordi Myer | Released from PTO |
| 1/26/22 | Delete | G | Calvin Pickard | Recalled by Detroit (NHL) |
| 1/25/22 | Add | G | Kaden Fulcher | Assigned to Grand Rapids (AHL) |
| 1/24/22 | | G | Kaden Fulcher | Assigned to Taxi Squad |
| 1/24/22 | Delete | G | Kaden Fulcher | Recalled by Detroit (NHL) |
| 1/23/22 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 1/23/22 | Add | G | Calvin Pickard | Assigned to Grand Rapids (AHL) |
| 1/23/22 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 1/22/22 | Add | C | Gemel Smith | Assigned to Grand Rapids (AHL) on conditioning loan |
| 1/22/22 | | C | Gemel Smith | Activated from Season Opening Injured Reserve |
| 1/22/22 | | D/RW | Luke Witkowski | Assigned to Taxi Squad |
| 1/22/22 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 1/22/22 | | C | Kyle Criscuolo | Assigned to Taxi Squad |
| 1/22/22 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 1/21/22 | Add | LW | Justin Abdelkader | Signed to PTO by Grand Rapids (AHL) |
| 1/21/22 | | G | Calvin Pickard | Activated from Taxi Squad |
| 1/20/22 | | G | Calvin Pickard | Assigned to Taxi Squad |
| 1/20/22 | Delete | G | Calvin Pickard | Recalled by Detroit (NHL) |
| 1/19/22 | | C | Gemel Smith | Claimed on waivers by Detroit (NHL) |
| 1/17/22 | Add | G | Calvin Pickard | Assigned to Grand Rapids (AHL) |
| 1/17/22 | | G | Calvin Pickard | Activated from Taxi Squad |
| 1/17/22 | | G | Calvin Pickard | Assigned to Taxi Squad |
| 1/17/22 | Delete | G | Calvin Pickard | Recalled by Detroit (NHL) |
| 1/17/22 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 1/17/22 | | D/RW | Luke Witkowski | Assigned to Taxi Squad |
| 1/17/22 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 1/17/22 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 1/17/22 | | LW | Taro Hirose | Assigned to Taxi Squad |
| 1/17/22 | Delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 1/17/22 | Add | G | Kaden Fulcher | Assigned to Grand Rapids (AHL) |
| 1/14/22 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 1/13/22 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 1/13/22 | | RW | Riley Barber | Placed on Injured List |
| 1/11/22 | | RW | Riley Barber | Activated from Taxi Squad |
| 1/11/22 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 1/6/22 | Delete | LW | Max Humitz | Released from PTO |
| 1/5/22 | | D/RW | Luke Witkowski | Assigned to Taxi Squad |
| 1/5/22 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 1/5/22 | | G | Kaden Fulcher | Assigned to Taxi Squad |
| 1/5/22 | Delete | G | Kaden Fulcher | Recalled by Detroit (NHL) |
| 1/5/22 | | RW | Riley Barber | Assigned to Taxi Squad |
| 1/5/22 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 1/5/22 | Add | C | Erik Bradford | Signed to PTO by Grand Rapids (AHL) |
| 1/2/22 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 1/2/22 | Add | D | Dan Renouf | Assigned to Grand Rapids (AHL) |
| 1/2/22 | Add | G | Kaden Fulcher | Assigned to Grand Rapids (AHL) |
| 1/2/22 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 1/2/22 | | D/RW | Luke Witkowski | Assigned to Taxi Squad |
| 1/2/22 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 1/2/22 | | D | Dan Renouf | Assigned to Taxi Squad |
| 1/2/22 | Delete | D | Dan Renouf | Recalled by Detroit (NHL) |
| 1/2/22 | | G | Kaden Fulcher | Assigned to Taxi Squad |
| 1/2/22 | Delete | G | Kaden Fulcher | Recalled by Detroit (NHL) |
| 1/2/22 | | RW | Riley Barber | Assigned to Taxi Squad |
| 1/2/22 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 1/1/22 | Add | D | Dan Renouf | Assigned to Grand Rapids (AHL) |
| 1/1/22 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 12/30/21 | Add | D | Donovan Sebrango | Assigned to Grand Rapids (AHL) |
| 12/30/21 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 12/29/21 | Add | G | Victor Brattstrom | Assigned to Grand Rapids (AHL) |
| 12/29/21 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 12/27/21 | | D/RW | Luke Witkowski | Assigned to Taxi Squad |
| 12/27/21 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 12/27/21 | | D | Dan Renouf | Assigned to Taxi Squad |
| 12/27/21 | Delete | D | Dan Renouf | Recalled by Detroit (NHL) |
| 12/27/21 | | RW | Riley Barber | Assigned to Taxi Squad |
| 12/27/21 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 12/27/21 | | G | Victor Brattstrom | Assigned to Taxi Squad |
| 12/27/21 | Delete | G | Victor Brattstrom | Recalled by Detroit (NHL) |
| 12/27/21 | Add | LW | Max Humitz | Signed to PTO by Grand Rapids (AHL) |
| 12/27/21 | Add | D | Gordi Myer | Signed to PTO by Grand Rapids (AHL) |
| 12/27/21 | Add | C | Josh Dickinson | Signed to PTO by Grand Rapids (AHL) |
| 12/23/21 | Delete | LW | Max Humitz | Released from PTO |
| 12/23/21 | Delete | D | Gordi Myer | Released from PTO |
| 12/23/21 | Delete | C | Josh Dickinson | Released from PTO |
| 12/21/21 | Add | LW | Max Humitz | Signed to PTO by Grand Rapids (AHL) |
| 12/20/21 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 12/20/21 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 12/20/21 | Add | G | Victor Brattstrom | Recalled from Toledo (ECHL) |
| 12/20/21 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 12/20/21 | Add | G | Calvin Pickard | Assigned to Grand Rapids (AHL) |
| 12/20/21 | Add | Asst Coach | Todd Krygier | Assigned to Grand Rapids (AHL) |
| 12/20/21 | Add | Coach | Ben Simon | Assigned to Grand Rapids (AHL) |
| 12/19/21 | Add | D | Dan Renouf | Assigned to Grand Rapids (AHL) |
| 12/18/21 | Delete | G | Victor Brattstrom | Assigned to Toledo (ECHL) |
| 12/18/21 | Delete | RW | Riley Barber | Recalled by Detroit (NHL) |
| 12/18/21 | Delete | G | Calvin Pickard | Recalled by Detroit (NHL) |
| 12/18/21 | Delete | Asst Coach | Todd Krygier | Recalled by Detroit (NHL) |
| 12/18/21 | Delete | Coach | Ben Simon | Recalled by Detroit (NHL) |
| 12/17/21 | Delete | LW | Max Humitz | Released from PTO |
| 12/15/21 | delete | LW | Taro Hirose | Recalled by Detroit (NHL) |
| 12/15/21 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 12/14/21 | Add | D | Gordi Myers | Signed to PTO by Grand Rapids (AHL) |
| 12/14/21 | Add | G | Kaden Fulcher | Recalled from Toledo (ECHL) |
| 12/13/21 | Delete | D | Donovan Sebrango | Assigned to Canadian National Junior Team |
| 12/13/21 | Delete | D | Randy Gazzola | Released from PTO |
| 12/11/21 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 12/11/21 | Add | D | Brian Lashoff | Assigned to Grand Rapids (AHL) |
| 12/11/21 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 12/10/21 | Add | D | Randy Gazzola | Signed to PTO by Grand Rapids (AHL) |
| 12/10/21 | Add | C | Josh Dickinson | Signed to PTO by Grand Rapids (AHL) |
| 12/9/21 | Delete | D | Brian Lashoff | Recalled by Detroit (NHL) |
| 12/8/21 | Add | LW | Max Humitz | Signed to PTO by Grand Rapids (AHL) |
| 12/7/21 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 12/7/21 | Delete | D/RW | Luke Witkowski | Recalled by Detroit (NHL) |
| 12/6/21 | | D/RW | Luke Witkowski | Suspended 2 games by the AHL |
| 12/6/21 | Delete | D | Dan Renouf | Recalled by Detroit (NHL) |
| 12/6/21 | Delete | G | Kaden Fulcher | Assigned to Toledo (ECHL) |
| 12/6/21 | Add | G | Victor Brattstrom | Recalled from Toledo (ECHL) |
| 12/6/21 | Add | D | Seth barton | Recalled from Toledo (ECHL) |
| 12/4/21 | Delete | D | Seth barton | Assigned to Toledo (ECHL) |
| 12/4/21 | Add | D | Seth barton | Activated from Injured List |
| 12/2/21 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 12/2/21 | Add | D | Dan Renouf | Assigned to Grand Rapids (AHL) |
| 11/30/21 | Delete | LW | Max Humitz | Released from PTO |
| 11/29/21 | Delete | C | Kyle Criscuolo | Recalled by Detroit (NHL) |
| 11/27/21 | Add | RW | Matt Berry | Signed to PTO by Grand Rapids (AHL) |
| 11/24/21 | Add | D | Blake Hillman | Signed to PTO by Grand Rapids (AHL) |
| 11/24/21 | Delete | D | Dan Renouf | Recalled by Detroit (NHL) |
| 11/17/21 | | C | Chase Pearson | Suspended 1 gm by AHL |
| 11/16/21 | Add | G | Kaden Fulcher | Recalled from Toledo (ECHL) |
| 11/16/21 | Delete | G | Victor Brattstrom | Assigned to Toledo (ECHL) |
| 11/16/21 | Add | C | Brett McKenzie | Signed to PTO by Grand Rapids (AHL) |
| 11/16/21 | Add | LW | Max Humitz | Signed to PTO by Grand Rapids (AHL) |
| 11/16/21 | Delete | D | DJ King | Released from PTO |
| 11/15/21 | Delete | C | Joe Veleno | Recalled by Detroit (NHL) |
| 11/8/21 | Delete | LW | Max Humitz | Released from PTO |
| 11/7/21 | Add | C | Joe Veleno | Assigned to Grand Rapids (AHL) |
| 11/3/21 | Add | D | DJ King | Signed to PTO by Grand Rapids (AHL) |
| 11/3/21 | Add | LW | Max Humitz | Signed to PTO by Grand Rapids (AHL) |
| 11/3/21 | Delete | D/RW | Luke Witkowski | Suspended 2 games by the AHL |
| 10/30/21 | Delete | C | Joe Veleno | Recalled by Detroit (NHL) |
| 10/26/21 | Delete | C | Josh Dickinson | Released from PTO |
| 10/26/21 | Add | C | Kyle Criscuolo | Assigned to Grand Rapids (AHL) |
| 10/19/21 | Add | C | Josh Dickinson | Signed to PTO by Grand Rapids (AHL) |
| 10/11/21 | Add | F | Patrick Curry | Released from Detroit Camp Tryout - To GR |
| 10/11/21 | | D | Seth Barton | Placed on Injured List |
| 10/11/21 | | C | Kyle Criscuolo | Placed on Injured List |
| 10/11/21 | Add | C | Joe Veleno | Assigned to Grand Rapids (AHL) |
| 10/11/21 | Add | LW | Taro Hirose | Assigned to Grand Rapids (AHL) |
| 10/11/21 | Add | RW | Riley Barber | Assigned to Grand Rapids (AHL) |
| 10/10/21 | Add | G | Calvin Pickard | Assigned to Grand Rapids (AHL) |
| 10/9/21 | Add | C | Jonatan Berggren | Assigned to Grand Rapids (AHL) |
| 10/9/21 | Add | D/RW | Luke Witkowski | Assigned to Grand Rapids (AHL) |
| 10/9/21 | Add | D | Dan Renouf | Assigned to Grand Rapids (AHL) |
| 10/8/21 | Add | C | Chase Pearson | Assigned to Grand Rapids (AHL) |
| 10/8/21 | Add | D | Ryan Murphy | Assigned to Grand Rapids (AHL) |
| 10/8/21 | Add | D | Brian Lashoff | Assigned to Grand Rapids (AHL) |
| 10/7/21 | | G | Kaden Fulcher | Assigned to Toledo (ECHL) |
| 10/7/21 | Add | G | Victor Brattstrom | Assigned to Grand Rapids (AHL) |
| 10/7/21 | Add | D | Jared McIsaac | Assigned to Grand Rapids (AHL) |
| 10/7/21 | Add | D | Donovan Sebrango | Assigned to Grand Rapids (AHL) |
| 10/7/21 | Add | D | Wyatt Newpower | Assigned to Grand Rapids (AHL) |
| 10/6/21 | Add | LW | Dominik Shine | Released from Detroit Camp Tryout - To GR |
| 10/6/21 | Add | RW | Jon Martin | Released from Detroit Camp Tryout - To GR |
| 10/6/21 | Add | C | Hayden Verbeek | Released from Detroit Camp Tryout - To GR |
| 10/6/21 | Add | LW | Turner Elson | Released from Detroit Camp Tryout - To GR |
| 10/6/21 | Add | LW | Dennis Yan | Released from Detroit Camp Tryout - To GR |
| 10/6/21 | Add | C | Tyler Spezia | Released from Detroit Camp Tryout - To GR |
| 10/6/21 | Add | LW | Kirill Tyutyayev | Released from Detroit Camp Tryout - To GR |
| 9/1/21 | Delete | C | Kevin Lynch | Retired |
| 9/17/21 | | G | Pat Nagle | Signed 1-yr contract with Lehigh Valley (AHL) |
| 9/17/21 | Add | LW | Dennis Yan | Signed 1-yr Contract with grand Rapids (AHL) |
| 9/14/21 | | F | Max Humitz | Signed 1-yr contract with Kalamazoo (ECHL) |
| 9/14/21 | | RW | Givani Smith | Signed 2 yr contract with Detroit (NHL) |
| 9/6/21 | | D | Eemil Viro | Loaned to TPS (SM-Liiga) |
| 9/3/21 | | D | Filip Hronek | Signed 3-yr contract with Detroit (NHL) |
| 9/2/21 | Add | C | Carter Rowney | Signed 1-yr contract with Detroit (NHL) |
| 8/25/21 | | C | Valtteri Filppula | Signed 1-yr contract with Geneve-Servette (Swiss NL) |
| 8/23/21 | | D | Patrick Holway | Signed 1-yr contract with South Carolina (ECHL) |
| 8/20/21 | | RW | Evgeny Svechnikov | Signed 1-yr contract with Manitoba (AHL) |
| 8/20/21 | | G | Kevin Boyle | Signed 1-yr contract with HC Bolzano (ICE) |
| 8/20/21 | | C | Frans Nielsen | Contract bought out by Detroit (NHL) |
| 8/19/21 | Add | GM | Pat Verbeek | Named Griffins GM |
| 8/19/21 | | C | Frans Nielsen | Placed on unconditional waivers |
| 8/15/21 | | LW | Adam Erne | Signed 2-yr contract with Detroit (NHL) |
| 8/14/21 | | G | Sebastien Cossa | Signed 3-yr contract with Detroit (NHL) |
| 8/13/21 | Delete | GM | Ryan Martin | Left organization joined New York Rangers (NHL) |
| 8/12/21 | | LW | Jarid Lukosevicius | Signed 1-yr contract with Abbottsford (AHL) |
| 8/10/21 | | LW | Jakub Vrana | Signed 3-yr contract with Detroit (NHL) |
| 8/9/21 | Add | C | Kevin Lynch | Signed 1-yr contract with Grand Rapids (AHL) |
| 8/5/21 | | C | Chase Pearson | Signed 1-yr contract with Detroit (NHL) |
| 8/4/21 | | D | Charle-Edouard D'Astous | Signed 2-yr contract with Colorado (AHL) |
| 8/4/21 | Add | C | Tyler Spezia | Signed 1-yr contract with Grand Rapids (AHL) |
| 7/31/21 | | LW | Tyler Bertuzzi | Signed 2-yr contract with Detroit (NHL) |
| 7/30/21 | Add | LW | Turner Elson | Signed 1-yr contract with Grand Rapids (AHL) |
| 7/30/21 | Add | C | Mitchell Stephens | Acquired from Tampa Bay (NHL) |
| 7/30/21 | Add | D | Brian Lashoff | Signed 1-yr contract with Detroit (NHL) |
| 7/29/21 | Add | RW | Jon Martin | Signed 1-yr contract with Grand Rapids (AHL) |
| 7/29/21 | Add | D | Dan Renouf | Signed 1-yr contract with Detroit (NHL) |
| 7/29/21 | Add | D/RW | Luke Witkowski | Signed 2-yr contract with Detroit (NHL) |
| 7/29/21 | Add | C | Hayden Verbeek | Signed 1-yr contract with Grand Rapids (AHL) |
| 7/29/21 | | RW | Darren Helm | Signed 1-yr contract with Colorado (NHL) |
| 7/28/21 | | D | Alex Biega | Signed 1-yr contract with Toronto (NHL) |
| 7/28/21 | Add | C | Pius Suter | Signed 2-yr contract with Detroit (NHL) |
| 7/28/21 | | C | Dominic Turgeon | Signed 1-yr contract with Minnesota (NHL) |
| 7/28/21 | | D | Dylan McIlrath | Signed 2-yr contract with Washington (NHL) |
| 7/28/21 | Add | D | Jordan Oesterle | Signed 2-yr contract with Detroit (NHL) |
| 7/28/21 | | D | Joe Hicketts | Signed 2-yr contract with Minnesota (NHL) |
| 7/28/21 | Add | D | Ryan Murphy | Signed 1-yr contract with Detroit (NHL) |
| 7/28/21 | Delete | C | Luke Glendening | Signed 2-yr Contract with Dallas (NHL) |
| 7/28/21 | | LW | Tyler Bertuzzi | Det - RFA-Qualified - Re-Signed |
| 7/28/21 | | LW | Adam Erne | Det - RFA-Qualified - Re-Signed |
| 7/28/21 | | LW | Jakub Vrana | Det - RFA-Qualified - Re-Signed |
| 7/28/21 | Delete | RW | Evgeny Svechnikov | Det - RFA - not Qualified - UFA - Signed with Manitoba (AHL) |
| 7/28/21 | Delete | LW | Mathias Brome | Det - RFA - not Qualified - UFA - Signed with HC Davos (Swiss NL) |
| 7/28/21 | Delete | RW | Bobby Ryan | Det - UFA |
| 7/28/21 | Delete | C | Valtteri Filppula | Det - UFA - Signed with Geneve-Servette (Swiss NL) |
| 7/28/21 | Delete | C | Luke Glendening | Det - UFA - Signed with Dallas (NHL) |
| 7/28/21 | Delete | RW | Darren Helm | Det - UFA - Signed with Colorado (NHL) |
| 7/28/21 | | C | Chase Pearson | Det - RFA-Qualified - Re-Signed |
| 7/28/21 | Delete | C | Hayden Verbeek | Det - RFA - not Qualified - UFA - Signed with Grand Rapids (AHL) |
| 7/28/21 | | RW | Givani Smith | Det - RFA-Qualified - Re-Signed |
| 7/28/21 | Delete | LW | Turner Elson | Det - UFA - Signed 1-yr contract with grand Rapids (AHL) |
| 7/28/21 | Delete | C | Dominic Turgeon | Det - UFA - Signed with Minnesota (NHL) |
| 7/28/21 | Delete | D | Christian Djoos | Det - RFA - not Qualified - UFA - Signed with EV Zug (Swiss NL) |
| 7/28/21 | | D | Filip Hronek | Det - RFA-Qualified - Re-Signed |
| 7/28/21 | Delete | D | Alex Biega | Det - UFA - Signed with Toronto (NHL) |
| 7/28/21 | Delete | D | Brian Lashoff | TB - UFA - Signed 1-yr contract with Detroit (NHL) |
| 7/28/21 | Delete | D | Joe Hicketts | Det - UFA - Signed with Minnesota (NHL) |
| 7/28/21 | Delete | D | Dylan McIlrath | Det - UFA - Signed with Washington (NHL) |
| 7/28/21 | Delete | G | Kevin Boyle | Det - UFA - Signed with HC Bolzano (ICE) |
| 7/28/21 | | RW | Sam Gagner | Signed 1-yr contract with Detroit (NHL) |
| 7/28/21 | | G | Calvin Pickard | Signed 1-yr contract with Detroit (NHL) |
| 7/27/21 | Add | LW | Taro Hirose | Signed 1-yr contract with Detroit (NHL) |
| 7/27/21 | Add | D | Gustav Lindstrom | Signed 2-yr contract with Detroit (NHL) |
| 7/27/21 | Add | C | Kyle Criscuolo | Signed 2-yr contract with Detroit (NHL) |
| 7/26/21 | | C | Gregor MacLeod | Signed 1-yr contract with Nurnberg (DEL) |
| 7/26/21 | | D | Marc Staal | Signed 1-yr contract with Detroit (NHL) |
| 7/22/21 | | G | Alex Nedeljkovic | Signed 2-yr contract with Detroit (NHL) |
| 7/22/21 | Add | G | Alex Nedeljkovic | Acqjuired from Carolina (NHL) |
| 7/22/21 | Delete | G | Jonathan Bernier | Traded to Carolina (NHL) |
| 7/22/21 | | C | Michael Rasmussen | Signed 3-yr contract with Detroit (NHL) |
| 7/21/21 | Delete | D | Dennis Cholowski | Selected by Seattle Kraken in 2021 Expansion Draft |
| 7/16/21 | Delete | RW | Richard Panik | Traded to New York Islanders (NHL) |
| 7/16/21 | Add | D | Nick Leddy | Acquired from New York Islanders (NHL) |
| 7/15/21 | Add | LW | Dominik Shine | Signed 1-yr contract with Grand Rapids (AHL) |
| 7/12/21 | | D | Tory Dello | Signed 1-yr contract with Laval (AHL) |
| 7/1/21 | Delete | G | Pat Nagle | GR - UFA - Signed with LeHigh Valley (AHL) |
| 7/1/21 | | D | Seth Barton | GR - UFA - Starts NHL 2-yr Contract with Detroit (NHL) |
| 7/1/21 | Delete | D | Patrick Holway | GR - UFA - Signed 1-yr contract with South Carolina (ECHL) |
| 7/1/21 | Delete | D | Tory Dello | GR - UFA - Signed 1-yr contract with Laval (AHL) |
| 7/1/21 | Delete | D | Charle-Edouard D'Astous | GR - UFA - Signed 2-yr contract with Colorado (AHL) |
| 7/1/21 | | D | Donovan Sebrango | GR - UFA - Starts NHL 3-yr Contract with Detroit (NHL) |
| 7/1/21 | Delete | F | Max Humitz | GR - UFA - Signd 1-yr Contract with Kalamazoo (ECHL) |
| 7/1/21 | Delete | RW | Albin Grewe | GR - UFA - Signed 1-yr contract with Ilves (FIN) |
| 7/1/21 | Delete | LW | Jarid Lukosevicius | GR - UFA - Signed 1-yr Contract with Abbottsford (AHL) |
| 7/1/21 | Delete | LW | Dominik Shine | GR - UFA - Re-Signed 7/15/21 |
| 7/1/21 | Delete | C | Gregor MacLeod | GR - UFA - Signed 1-yr contract with Nurnberg (DEL) |
| 7/1/21 | Delete | LW | Troy Loggins | GR - UFA |
| 7/1/21 | Delete | C | Tyler Spezia | GR - UFA - Signed 1-yr contract with Grand Rapids (AHL) |
| 6/5/21 | Delete | G | Filip Larsson | Loaned to HV-71 (Allsvenskan) |
| 5/31/21 | Add | D | Wyatt Newpower | Signed 2-yr contract with Detroit (NHL) |
| 5/20/21 | Add | C | Jonatan Berggren | Signed 3-yr contract with Detroit (NHL) |
| 5/19/21 | Add | D | Eemil Viro | Signed 3-yr contract with Detroit (NHL) |
| 5/17/21 | Delete | LW | Mathias Brome | Signed 1-yr contract with HC Davos (Swiss NL) |
| 5/12/21 | Delete | D | Christian Djoos | Signed 1-yr contract with EV ZUG (Swiss NL) |
