Tacoma Rainiers Roster & Staff
SEA Transactions
| Date | Transaction |
| 05/15/24 | 3B Ben Williamson assigned to Arkansas Travelers from Everett AquaSox. |
| 05/15/24 | Tacoma Rainiers activated 2B Sam Haggerty. |
| 05/15/24 | Tacoma Rainiers activated SS Jake Slaughter. |
| 05/15/24 | Tacoma Rainiers transferred C Matt Scheffler to the Development List. |
| 05/15/24 | Seattle Mariners optioned 2B Sam Haggerty to Tacoma Rainiers. |
| 05/14/24 | Arkansas Travelers released LHP Ben Onyshko. |
| 05/14/24 | Everett AquaSox transferred RHP Allan Saathoff to the Development List. |
| 05/14/24 | Everett AquaSox activated CF Victor Labrada. |
| 05/14/24 | Inland Empire 66ers activated RHP Roman Phansalkar. |
| 05/14/24 | Inland Empire 66ers activated RHP Erik Martinez. |
| 05/14/24 | Inland Empire 66ers placed RHP Logan Britt on the 7-day injured list. |
| 05/14/24 | RHP Erik Martinez assigned to Inland Empire 66ers from Rocket City Trash Pandas. |
| 05/14/24 | RHP Roman Phansalkar assigned to Inland Empire 66ers from Tri-City Dust Devils. |
| 05/14/24 | Seattle Mariners sent SS J.P. Crawford on a rehab assignment to Tacoma Rainiers. |
| 05/14/24 | SS Jake Slaughter assigned to Tacoma Rainiers. |
| 05/13/24 | Everett AquaSox sent RHP Jordan Jackson on a rehab assignment to ACL Mariners. |
| 05/13/24 | Everett AquaSox sent 3B Blake Rambusch on a rehab assignment to ACL Mariners. |
| 05/13/24 | LHP Chandler Brierley assigned to Modesto Nuts from ACL Mariners. |
| 05/13/24 | LHP Yensy Bello assigned to ACL Mariners from DSL Mariners. |
| 05/13/24 | Arkansas Travelers activated RHP Troy Taylor. |
| 05/13/24 | RHP Troy Taylor assigned to Arkansas Travelers from Everett AquaSox. |
| 05/13/24 | RHP Ruben Ramirez assigned to DSL Mariners. |
| 05/13/24 | LHP Yensy Bello assigned to ACL Mariners from DSL Mariners. |
| 05/13/24 | Everett AquaSox sent 3B Blake Rambusch on a rehab assignment to ACL Mariners. |
| 05/13/24 | Everett AquaSox sent RHP Jordan Jackson on a rehab assignment to ACL Mariners. |
| 05/13/24 | Everett AquaSox activated RHP Anthony Tomczak. |
| 05/13/24 | RHP Troy Taylor assigned to Arkansas Travelers from Everett AquaSox. |
| 05/13/24 | RHP Anthony Tomczak assigned to Everett AquaSox from Modesto Nuts. |
| 05/13/24 | Seattle Mariners signed free agent RHP Ruben Ramirez to a minor league contract. |
| 05/11/24 | Arkansas Travelers sent RHP Jake Haberer on a rehab assignment to ACL Mariners. |
| 05/11/24 | Arkansas Travelers sent RHP Jake Haberer on a rehab assignment to ACL Mariners. |
| 05/11/24 | RHP Jimmy Joyce assigned to Arkansas Travelers from ACL Mariners. |
| 05/11/24 | Arkansas Travelers sent RHP Jake Haberer on a rehab assignment to ACL Mariners. |
| 05/11/24 | Arkansas Travelers activated RHP Jimmy Joyce. |
| 05/11/24 | Arkansas Travelers activated RHP Jimmy Joyce. |
| 05/11/24 | Arkansas Travelers sent RHP Jake Haberer on a rehab assignment to ACL Mariners. |
| 05/11/24 | RHP Jimmy Joyce assigned to Arkansas Travelers from ACL Mariners. |
| 05/11/24 | RHP Cristian Aray assigned to DSL Mariners. |
| 05/11/24 | RHP Gregori Arrieche assigned to DSL Mariners. |
| 05/11/24 | 2B Joshua Francis assigned to DSL Mariners. |
| 05/11/24 | Seattle Mariners sent RF Dominic Canzone on a rehab assignment to Tacoma Rainiers. |
| 05/10/24 | Seattle Mariners signed free agent RHP Gregori Arrieche to a minor league contract. |
| 05/08/24 | RHP Carlos Jaspe assigned to DSL Mariners. |
| 05/08/24 | RHP Jheifer Ramirez assigned to DSL Mariners. |
| 05/08/24 | Seattle Mariners optioned RHP Emerson Hancock to Tacoma Rainiers. |
| 05/08/24 | Seattle Mariners selected the contract of LHP Kirby Snead from Tacoma Rainiers. |
| 05/07/24 | OF Manuel De Cesare assigned to DSL Mariners. |
| 05/07/24 | RHP Erick Lanza assigned to DSL Mariners. |
| 05/07/24 | Tacoma Rainiers activated RHP Mauricio Llovera from the 7-day injured list. |
| 05/06/24 | OF Curtis Washington Jr. assigned to ACL Mariners from Everett AquaSox. |