Seattle-Mariners Transactions
| date | player | pos | description |
|---|---|---|---|
| 08/03 |
|
1B | Activated 1B Buddy Kennedy. |
| 08/03 |
|
LF | Acquired LF Taylor Ward from the Baltimore Orioles for Alex Hoppe, Harrison Kreiling and Brock Moore. |
| 08/02 |
|
SP | Recalled SP Josh Simpson from Tacoma (PCL). |
| 08/02 |
|
1B | Claimed 1B Buddy Kennedy off waivers from the Seattle Mariners. |
| 08/01 |
|
RF | Placed LF Luke Raley on the 10-day IL, retroactive to July 31, 2026. |
| 08/01 |
|
SP | Acquired SP Luis Castillo from the Seattle Mariners for Rp Seranthony Domínguez, C Boston Smith and RF Nolan Jones. |
| 08/01 |
|
RF | Selected the contract of RF Stuart Fairchild from Tacoma (IL). |
| 07/31 |
|
3B | Recalled 3B Leonardo Rivas from Tacoma (PCL). |
| 07/31 |
|
SS | Placed SS J.P. Crawford on the 10-day IL, retroactive to July 30, 2026. |
| 07/28 |
|
1B | Designated 1B Buddy Kennedy for assignment. |
| 07/28 |
|
3B | Sent 3B Brendan Donovan on a rehab assignment to Tacoma Rainiers. |
| 07/28 |
|
DH | Activated DH Rob Refsnyder from the 10-day IL. |
| 07/26 |
|
RP | Optioned SP Nick Davila to Tacoma (PCL). |
| 07/26 |
|
RP | Recalled RP Alex Hoppe from Tacoma (PCL). |
| 07/22 |
|
2B | Signed 2B Alejo Lopez to a minor league contract. |
| 07/21 |
|
C | Signed C Jake Harvey to a minor league contract. |
| 07/21 |
|
3B | Sent 3B Brendan Donovan on a rehab assignment to Everett AquaSox. |
| 07/21 |
|
3B | Outrighted 3B Miles Mastrobuoni to Tacoma (PCL). |
| 07/21 |
|
C | Signed C Jake Harvey to a minor league contract. |
| 07/18 |
|
3B | Designated 3B Miles Mastrobuoni for assignment. |