Seattle Mariners
MLB · AL West
MLB · AL West
Every roster move on file for Seattle Mariners, newest first. Signings, trades, call-ups, options and injury-list moves, as the league itself files them. Read from the log our sync worker writes, not from a provider at page load.
| Date | Move |
|---|---|
| Sep 7 | OptionedSeattle Mariners optioned RHP Troy Taylor to Tacoma Rainiers. |
| Sep 7 | Designated for AssignmentSeattle Mariners designated CF Stuart Fairchild for assignment. |
| Sep 7 | Status ChangeSeattle Mariners activated LHP Hoby Milner. |
| Sep 7 | Status ChangeSeattle Mariners activated RF Victor Robles. |
| Sep 5 | Status ChangeSeattle Mariners transferred RHP Nick Davila from the 15-day injured list to the 60-day injured list. SC joint sprain. |
| Sep 5 | OptionedSeattle Mariners optioned 3B Patrick Wisdom to Tacoma Rainiers. |
| Sep 5 | SelectedSeattle Mariners selected the contract of SS Michael Arroyo from Tacoma Rainiers. |
| Sep 3 | RecalledSeattle Mariners recalled RHP Troy Taylor from Tacoma Rainiers. |
| Sep 3 | Status ChangeLHP Hoby Milner roster status changed by Seattle Mariners. |
| Sep 2 | Status ChangeRF Victor Robles roster status changed by Seattle Mariners. |
| Sep 2 | SelectedSeattle Mariners selected the contract of CF Stuart Fairchild from Tacoma Rainiers. |
| Sep 2 | RecalledSeattle Mariners recalled CF Brennen Davis from Tacoma Rainiers. |
| Sep 2 | OutrightedSeattle Mariners sent RHP Nolan Kingham outright to Tacoma Rainiers. |
| Sep 2 | Status ChangeSeattle Mariners placed CF Brennen Davis on the 60-day injured list. Left hamstring strain. |
| Sep 2 | OutrightedSeattle Mariners sent RF Connor Joe outright to Tacoma Rainiers. |
| Sep 1 | Signed as Free AgentSeattle Mariners signed free agent RHP Simeon Woods Richardson to a minor league contract. |
| Aug 31 | Signed as Free AgentSeattle Mariners signed free agent LHP Hoby Milner. |
| Aug 31 | SelectedSeattle Mariners selected the contract of RF Lazaro Montes from Tacoma Rainiers. |
| Aug 31 | Designated for AssignmentSeattle Mariners designated RHP Nolan Kingham for assignment. |
| Aug 31 | Designated for AssignmentSeattle Mariners designated RF Connor Joe for assignment. |
| Aug 30 | Status ChangeSeattle Mariners activated RHP Cooper Criswell from the 60-day injured list. |
| Aug 30 | Status ChangeSeattle Mariners transferred SS Colt Emerson from the 10-day injured list to the 60-day injured list. Left wrist tendon repair. |
| Aug 30 | Status ChangeSeattle Mariners placed RHP Nick Davila on the 15-day injured list. SC joint sprain. |
| Aug 29 | RecalledSeattle Mariners recalled RHP Nick Davila from Tacoma Rainiers. |
| Aug 29 | Status ChangeSeattle Mariners placed RHP Emerson Hancock on the 15-day injured list retroactive to August 29, 2026. Left abductor strain. |
| Aug 24 | OptionedSeattle Mariners optioned 3B Leo Rivas to Tacoma Rainiers. |
| Aug 24 | Status ChangeSeattle Mariners activated SS J.P. Crawford from the 10-day injured list. |
| Aug 23 | OutrightedSeattle Mariners sent LHP Jhonathan Díaz outright to Tacoma Rainiers. |
| Aug 22 | Status ChangeSeattle Mariners placed 3B Brendan Donovan on the 7-day injured list retroactive to August 22, 2026. Concussion. |
| Aug 22 | RecalledSeattle Mariners recalled 3B Patrick Wisdom from Tacoma Rainiers. |
| Aug 21 | Designated for AssignmentSeattle Mariners designated LHP Jhonathan Díaz for assignment. |
| Aug 21 | SelectedSeattle Mariners selected the contract of LHP Kade Anderson from Arkansas Travelers. |
| Aug 21 | AssignedSeattle Mariners sent RHP Cooper Criswell on a rehab assignment to Tacoma Rainiers. |
| Aug 20 | Status ChangeSeattle Mariners transferred RHP Matt Brash from the 15-day injured list to the 60-day injured list. Right lat strain. |
| Aug 20 | Status ChangeSeattle Mariners activated RHP Carlos Vargas from the 60-day injured list. |
| Aug 20 | OptionedSeattle Mariners optioned RHP Nick Davila to Tacoma Rainiers. |
| Aug 19 | AssignedSeattle Mariners sent SS J.P. Crawford on a rehab assignment to Tacoma Rainiers. |
| Aug 18 | Status ChangeSeattle Mariners transferred RF Luke Raley from the 10-day injured list to the 60-day injured list. Left forearm strain. |
| Aug 18 | SelectedSeattle Mariners selected the contract of LHP Jhonathan Díaz from Tacoma Rainiers. |
| Aug 18 | OptionedSeattle Mariners optioned LHP Josh Simpson to Tacoma Rainiers. |
| Aug 17 | Signed as Free AgentSeattle Mariners signed free agent 2B Andy Ibáñez to a minor league contract. |
| Aug 14 | Claimed Off WaiversSeattle Mariners claimed RHP Troy Watson off waivers from Detroit Tigers. |
| Aug 14 | OptionedSeattle Mariners optioned RHP Troy Watson to Tacoma Rainiers. |
| Aug 13 | SelectedSeattle Mariners selected the contract of 2B Brock Rodden from Tacoma Rainiers. |
| Aug 13 | OptionedSeattle Mariners optioned C Willie MacIver to Tacoma Rainiers. |
| Aug 13 | Status ChangeSeattle Mariners placed SS Colt Emerson on the 10-day injured list. Left wrist tendon inflammation. |
| Aug 12 | Signed as Free AgentSeattle Mariners signed free agent LHP Lael Lockhart to a minor league contract. |
| Aug 11 | Signed as Free AgentSeattle Mariners signed free agent RHP Scott Effross to a minor league contract. |
| Aug 11 | Claimed Off WaiversSeattle Mariners claimed C Willie MacIver off waivers from Toronto Blue Jays. |
| Aug 11 | SelectedSeattle Mariners selected the contract of C Willie MacIver from Toronto Blue Jays. |
| Aug 10 | AssignedSeattle Mariners sent RHP Carlos Vargas on a rehab assignment to Tacoma Rainiers. |
| Aug 10 | Status ChangeSeattle Mariners activated LHP Gabe Speier. |
| Aug 10 | Signed as Free AgentSeattle Mariners signed free agent RHP Conor Larkin to a minor league contract. |
| Aug 9 | Claimed Off WaiversSeattle Mariners claimed RHP Nolan Kingham off waivers from Texas Rangers. |
| Aug 7 | Signed as Free AgentSeattle Mariners signed free agent CF Stuart Fairchild to a minor league contract. |
| Aug 7 | AssignedSeattle Mariners sent RHP Carlos Vargas on a rehab assignment to Everett AquaSox. |
| Aug 7 | Status ChangeLHP Gabe Speier roster status changed by Seattle Mariners. |
| Aug 6 | OutrightedSeattle Mariners sent CF Stuart Fairchild outright to Tacoma Rainiers. |
| Aug 6 | RecalledSeattle Mariners recalled RHP Nick Davila from Tacoma Rainiers. |
| Aug 6 | Status ChangeSeattle Mariners placed RHP Cole Wilcox on the 15-day injured list. Left oblique strain. |
| Aug 4 | Signed as Free AgentSeattle Mariners signed free agent RHP Seth Shuman to a minor league contract. |
| Aug 3 | RecalledSeattle Mariners recalled C Jhonny Pereda from Tacoma Rainiers. |
| Aug 3 | ReleasedSeattle Mariners released C Mitch Garver. |
| Aug 3 | Status ChangeSeattle Mariners activated 3B Brendan Donovan from the 10-day injured list. |
| Aug 3 | Designated for AssignmentSeattle Mariners designated CF Stuart Fairchild for assignment. |
| Aug 3 | Status ChangeSeattle Mariners activated RHP Seranthony Domínguez. |
| Aug 3 | Status ChangeSeattle Mariners activated LF Taylor Ward. |
| Aug 3 | ReleasedSeattle Mariners released DH Rob Refsnyder. |
| Aug 2 | Status ChangeLF Taylor Ward roster status changed by Seattle Mariners. |
| Aug 1 | TradeSeattle Mariners traded RHP Luis Castillo to Chicago White Sox for RHP Seranthony Domínguez. |
| Aug 1 | RecalledSeattle Mariners recalled LHP Josh Simpson from Tacoma Rainiers. |
| Aug 1 | Status ChangeRHP Seranthony Domínguez roster status changed by Seattle Mariners. |
| Aug 1 | TradeSeattle Mariners traded RHP Luis Castillo to Chicago White Sox for RHP Seranthony Domínguez, C Boston Smith, RF Nolan Jones and cash. |
| Jul 31 | Status ChangeSeattle Mariners placed RF Luke Raley on the 10-day injured list retroactive to July 31, 2026. Left forearm strain. |
| Jul 31 | SelectedSeattle Mariners selected the contract of CF Stuart Fairchild from Tacoma Rainiers. |
| Jul 30 | RecalledSeattle Mariners recalled 3B Leo Rivas from Tacoma Rainiers. |
| Jul 30 | Status ChangeSeattle Mariners placed SS J.P. Crawford on the 10-day injured list retroactive to July 30, 2026. Left wrist inflammation. |
| Jul 27 | Status ChangeSeattle Mariners activated DH Rob Refsnyder from the 10-day injured list. |
| Jul 27 | Designated for AssignmentSeattle Mariners designated 1B Buddy Kennedy for assignment. |
| Jul 27 | AssignedSeattle Mariners sent 3B Brendan Donovan on a rehab assignment to Tacoma Rainiers. |
