Inland Empire 66ers Roster & Staff
SEA Transactions
| Date | Transaction |
| 05/16/23 | ACL Mariners activated RHP Riley Davis. |
| 05/16/23 | ACL Mariners activated CF Arturo Guerrero. |
| 05/16/23 | RHP Riley Davis assigned to ACL Mariners from Modesto Nuts. |
| 05/16/23 | CF Arturo Guerrero assigned to ACL Mariners from Modesto Nuts. |
| 05/16/23 | Everett AquaSox activated 3B Blake Rambusch from the 7-day injured list. |
| 05/16/23 | OF Colin Davis assigned to Modesto Nuts from Everett AquaSox. |
| 05/14/23 | C Yeremi Villahermosa assigned to Inland Empire 66ers from ACL Angels. |
| 05/12/23 | Inland Empire 66ers activated RHP Sadrac Franco. |
| 05/12/23 | Inland Empire 66ers activated RHP Sadrac Franco. |
| 05/12/23 | RHP Hayden Seig assigned to Tri-City Dust Devils from Inland Empire 66ers. |
| 05/10/23 | Arkansas Travelers activated LHP Ethan Lindow from the reserve list. |
| 05/09/23 | CF Arturo Guerrero assigned to Modesto Nuts from ACL Mariners. |
| 05/09/23 | OF Colin Davis assigned to Everett AquaSox from Modesto Nuts. |
| 05/08/23 | LHP Ethan Lindow assigned to Arkansas Travelers. |
| 05/06/23 | Seattle Mariners recalled RHP Juan Then from Arkansas Travelers. |
| 05/06/23 | RHP Jarod Bayless assigned to Everett AquaSox from Modesto Nuts. |
| 05/06/23 | Inland Empire 66ers activated SS Christian Sepulveda. |
| 05/06/23 | Inland Empire 66ers activated SS Christian Sepulveda. |
| 05/06/23 | Inland Empire 66ers placed SS Ben Gobbel on the 7-day injured list. |
| 05/06/23 | SS Christian Sepulveda assigned to Inland Empire 66ers from Tri-City Dust Devils. |
| 05/05/23 | Tacoma Rainiers activated RHP Nick Davila. |
| 05/05/23 | RHP Jarod Bayless assigned to Modesto Nuts from Tacoma Rainiers. |
| 05/05/23 | RHP Nick Davila assigned to Tacoma Rainiers from Modesto Nuts. |
| 05/04/23 | SS Mike Salvatore assigned to Everett AquaSox from ACL Mariners. |
| 05/04/23 | RHP Marcelo Perez assigned to Modesto Nuts from ACL Mariners. |
| 05/04/23 | Everett AquaSox activated SS Mike Salvatore. |
| 05/04/23 | SS Mike Salvatore assigned to Everett AquaSox from ACL Mariners. |
| 05/03/23 | 3B Cole Barr assigned to Everett AquaSox from ACL Mariners. |
| 05/03/23 | RHP John Creel assigned to Everett AquaSox from ACL Mariners. |
| 05/03/23 | RHP Matt Willrodt assigned to Everett AquaSox from ACL Mariners. |
| 05/03/23 | Arkansas Travelers transferred LHP Ben Onyshko to the Development List. |
| 05/03/23 | Arkansas Travelers transferred SS Patrick Frick to the Development List. |
| 05/03/23 | OF Jonatan Clase assigned to Arkansas Travelers from Everett AquaSox. |
| 05/03/23 | RHP Ty Adcock assigned to Arkansas Travelers from Everett AquaSox. |
| 05/03/23 | Everett AquaSox activated RHP John Creel. |
| 05/03/23 | Everett AquaSox placed 3B Blake Rambusch on the 7-day injured list. |
| 05/03/23 | Everett AquaSox activated RHP Matt Willrodt. |
| 05/03/23 | Everett AquaSox activated 3B Cole Barr. |
| 05/03/23 | Everett AquaSox placed SS Axel Sanchez on the 7-day injured list. |
| 05/03/23 | OF Jonatan Clase assigned to Arkansas Travelers from Everett AquaSox. |
| 05/03/23 | 3B Cole Barr assigned to Everett AquaSox from ACL Mariners. |
| 05/03/23 | RHP Matt Willrodt assigned to Everett AquaSox from ACL Mariners. |
| 05/03/23 | RHP Ty Adcock assigned to Arkansas Travelers from Everett AquaSox. |
| 05/03/23 | RHP John Creel assigned to Everett AquaSox from ACL Mariners. |
| 05/02/23 | RHP Juan Burgos assigned to Modesto Nuts from ACL Mariners. |
| 05/02/23 | RHP John Creel assigned to ACL Mariners from Tacoma Rainiers. |
| 05/02/23 | RHP Juan Mercedes assigned to Arkansas Travelers from Everett AquaSox. |
| 05/02/23 | OF Jack Larsen assigned to Tacoma Rainiers from Arkansas Travelers. |
| 05/02/23 | Seattle Mariners selected the contract of RHP Bryce Miller from Arkansas Travelers. |
| 05/02/23 | RHP Juan Mercedes assigned to Arkansas Travelers from Everett AquaSox. |