Inland Empire 66ers Roster & Staff
SEA Transactions
| Date | Transaction |
| 07/18/25 | Arkansas Travelers transferred C Julio E. Rodriguez to the Development List. |
| 07/18/25 | SS Ben Ramirez retired. |
| 07/18/25 | Arkansas Travelers activated OF Lazaro Montes. |
| 07/18/25 | Tacoma Rainiers sent LF Cade Marlowe on a rehab assignment to Everett AquaSox. |
| 07/18/25 | sent LF Cade Marlowe on a rehab assignment to Everett AquaSox. |
| 07/18/25 | Tacoma Rainiers transferred C Jacob Nottingham to the Development List. |
| 07/18/25 | Tacoma Rainiers transferred RHP Michael Mariot to the Development List. |
| 07/18/25 | RHP Daniel Bard retired. |
| 07/18/25 | Tacoma Rainiers activated C Harry Ford. |
| 07/18/25 | Tacoma Rainiers activated LHP Josh Fleming from the temporarily inactive list. |
| 07/18/25 | Tacoma Rainiers sent LF Cade Marlowe on a rehab assignment to Everett AquaSox. |
| 07/14/25 | Arkansas Travelers activated RHP Tyler Cleveland. |
| 07/14/25 | RHP Tyler Cleveland assigned to Arkansas Travelers from Everett AquaSox. |
| 07/14/25 | RHP Tyler Cleveland assigned to Arkansas Travelers from Everett AquaSox. |
| 07/14/25 | RHP Jose Geraldo assigned to Everett AquaSox from Modesto Nuts. |
| 07/14/25 | Seattle Mariners optioned LHP Tayler Saucedo to Tacoma Rainiers. |
| 07/12/25 | Arkansas Travelers sent SS Brock Rodden on a rehab assignment to ACL Mariners. |
| 07/12/25 | Arkansas Travelers sent SS Brock Rodden on a rehab assignment to ACL Mariners. |
| 07/11/25 | Arkansas Travelers placed OF Lazaro Montes on the temporarily inactive list. |
| 07/11/25 | Arkansas Travelers released OF Yoyner Fajardo. |
| 07/11/25 | Arkansas Travelers activated C Julio E. Rodriguez. |
| 07/11/25 | Tacoma Rainiers placed C Harry Ford on the temporarily inactive list. |
| 07/11/25 | Seattle Mariners recalled LHP Tayler Saucedo from Tacoma Rainiers. |
| 07/10/25 | Tacoma Rainiers sent LF Cade Marlowe on a rehab assignment to ACL Mariners. |
| 07/10/25 | Inland Empire 66ers activated RHP Rolando De La Cruz from the 7-day injured list. |
| 07/10/25 | Inland Empire 66ers activated RHP Barrett Kent from the 60-day injured list. |
| 07/10/25 | RHP Yeferson Vargas assigned to Tri-City Dust Devils from Inland Empire 66ers. |
| 07/10/25 | Tacoma Rainiers sent LF Cade Marlowe on a rehab assignment to ACL Mariners. |
| 07/10/25 | Tacoma Rainiers activated C Jacob Nottingham. |
| 07/09/25 | Tacoma Rainiers placed LHP Josh Fleming on the temporarily inactive list. |
| 07/09/25 | Seattle Mariners sent LF Jacob Hurtubise outright to Tacoma Rainiers. |
| 07/08/25 | Modesto Nuts sent C Jose Caguana on a rehab assignment to ACL Mariners. |
| 07/08/25 | Modesto Nuts sent C Jose Caguana on a rehab assignment to ACL Mariners. |
| 07/08/25 | Arkansas Travelers transferred RHP Nick Fraze to the Development List. |
| 07/08/25 | Arkansas Travelers placed RHP Jimmy Joyce on the 7-day injured list. |
| 07/08/25 | Arkansas Travelers activated RHP Jimmy Joyce from the 7-day injured list. |
| 07/08/25 | Arkansas Travelers activated LHP Danny Wirchansky from the 7-day injured list. |
| 07/08/25 | RHP William Fleming assigned to Tacoma Rainiers from Arkansas Travelers. |
| 07/08/25 | RHP Angel Chicuate assigned to DSL Mariners from DSL Mariners. |
| 07/08/25 | Tacoma Rainiers activated RHP Michael Mariot. |
| 07/08/25 | Tacoma Rainiers placed RHP Daniel Bard on the 7-day injured list. |
| 07/08/25 | RHP William Fleming assigned to Tacoma Rainiers from Arkansas Travelers. |
| 07/08/25 | Seattle Mariners signed free agent RHP Angel Chicuate to a minor league contract. |
| 07/05/25 | Everett AquaSox placed RHP Elijah Dale on the 7-day injured list. |
| 07/05/25 | Inland Empire 66ers sent RHP Fulton Lockhart on a rehab assignment to ACL Angels. |
| 07/05/25 | Tacoma Rainiers transferred RHP Michael Mariot to the Development List. |
| 07/05/25 | Seattle Mariners sent RHP Collin Snider on a rehab assignment to Tacoma Rainiers. |
| 07/04/25 | RHP Natanael Garabitos assigned to Everett AquaSox from ACL Mariners. |
| 07/04/25 | RHP Natanael Garabitos assigned to Everett AquaSox from ACL Mariners. |
| 07/04/25 | Inland Empire 66ers sent RHP Rolando De La Cruz on a rehab assignment to ACL Angels. |