| Date |
|
Pos. |
Player |
Transaction |
| 8/15/25 | | D | Travis Hamonic | Signed 1 yr contract with Detroit (NHL) |
| 7/19/25 | | D | Nicklas Andrews | Signed 1 yr contract with Grand Rapids (AHL) |
| 7/16/25 | | LW | Carter Bear | Signed 3 yr contract with Detroit (NHL) |
| 7/11/25 | | D | Alex Kannok Leipert | Signed 1 yr contract with Grand Rapids (AHL) |
| 7/2/25 | | RW | Mason Appleton | Signed 2 yr contract with Detroit (NHL) |
| 7/2/25 | | C/RW | Elmer Soderblom | Signed 2 yr contract with Detroit (NHL) |
| 7/1/25 | | D | Jacob Bernard-Docker | Signed 1 yr contract with Detroit (NHL) |
| 7/1/25 | | LW | James Van Riemsdyk | Signed 1 yr contract with Detroit (NHL) |
| 7/1/25 | | LW | John Leonard | Signed 1 yr contract with Detroit (NHL) |
| 7/1/25 | | D | Ian Mitchell | Signed 1 yr contract with Detroit (NHL) |
| 7/1/25 | | G | Gage Alexander | RFA - Not Qualified - UFA |
| 7/1/25 | | G | Jan Bednar | UFA - Signed with Assat (SM-Liiga) |
| 7/1/25 | | G | Jack Campbell | UFA |
| 7/1/25 | | D | Eemil Viro | RFA - Signed with Malmo (SHL) |
| 7/1/25 | | D | Chaz Reddekopp | UFA - Retired |
| 7/1/25 | | D | Josiah Didier | UFA |
| 7/1/25 | | D | Nikolai Knyzhov | UFA - Signed with Abbotsford (AHL) |
| 7/1/25 | | D | Brogan Rafferty | UFA |
| 7/1/25 | | RW | Cross Hanas | RFA - Not Qualified - UFA |
| 7/1/25 | | LW | Tim Gettinger | UFA - Schwenninger (DEL) |
| 7/1/25 | | F | Hunter Johannes | UFA |
| 7/1/25 | | C | Joe Snively | UFA - Signed with Djurgardens IF (SHL) |
| 7/1/25 | | C | Tyler Motte | UFA |
| 7/1/25 | | C | Craig Smith | UFA |
| 7/1/25 | | D | Jeff Petry | UFA - Signed with Florida (NHL) |
| 7/1/25 | | G | Alex Lyon | UFA - Signed with Buffalo (NHL) |
| 7/1/25 | | C/RW | Elmer Soderblom | RFA (re-signed) |
| 7/1/25 | | RW | Patrick Kane | Signed 1 yr contract extension with Detroit (NHL) |
| 6/30/25 | | C | Jonatan Berggren | Signed 1 yr contract extension with Detroit (NHL) |
| 6/30/25 | | D | Albert Johansson | Signed 2 yr contract extension with Detroit (NHL) |
| 6/30/25 | | RW | Vladimir Tarasenko | Traded to Minnesota (NHL) |
| 6/28/25 | | G | John Gibson | Acquired from Anaheim (NHL) |
| 6/28/25 | | G | Petr Mrazek | Traded to Anaheim (NHL) |
| 6/27/25 | | D | William Lagesson | Signed 2 yr contract extension with Detroit (NHL) |
| 6/26/25 | | D | Antti Tuomisto | Signed 1 yr contract extension with Detroit (NHL) |
| 6/10/25 | | G | Michal Postava | Signed 2 yr contract with Detroit (NHL) |
| 6/9/25 | | F | Gabriel Seger | Signed 1 yr contract with Grand Rapids (AHL) |
| 6/3/25 | | C | Jesse Kiiskinen | Signed 3 yr contract with Detroit (NHL) |
