Seattle Mariners

Tuesday, September 1,2026

Connor Joe [MLB] ... Designated for Assignment

Nolan Kingham [MLB] ... Designated for Assignment

Hoby Milner [MLB] ... Signed to 1-year contract for 2026-2026 ($0.78m) [Free agent]

Lazaro Montes [MLB] ... Contract purchased from minors

Axel Sanchez [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Monday, August 31,2026

Cooper Criswell [MLB] ... Activated from injured list

Nick Davila [MLB] ... IL-15 SC joint sprain

Colt Emerson [Seattle Mariners-MLB] ... Transferred to 60-day IL

Sunday, August 30,2026

Kleiver Benitez [Dominican Mariners-Rk] ... Released by Mariners

Nick Davila [MLB] ... Recalled from from Tacoma Rainiers (A)

Cesar Farias [Dominican Mariners-Rk] ... Activated from injured list

Emerson Hancock [MLB] ... IL-15 Left abductor strain

Randal Munoz [Dominican Mariners-Rk] ... Activated from injured list

Christopher Quiroz [Dominican Mariners-Rk] ... Released by Mariners

Darwin Ramos [Dominican Mariners-Rk] ... Released by Mariners

Mathias Sato [Dominican Mariners-Rk] ... Released by Mariners

Saturday, August 29,2026

Chris Diaz [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

Mason Eckelman [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

Thomas Higgins [Inland Empire-A] ... Activated from injured list

Anthony Karoly [Inland Empire-A] ... IL-7 Injured

Wyatt Queen [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

Friday, August 28,2026

Michael Plassmeyer [Tacoma-AAA] ... Released by Mariners

Tuesday, August 25,2026

J.P. Crawford [MLB] ... Activated from injured list

Nick Hull [Tacoma-AAA] ... IL-7 Injured

Bill Knight [Arkansas-AA] ... Activated from temporarily inactive list

Leo Rivas [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Monday, August 24,2026

Jhonathan Diaz [Tacoma-AAA] ... Outrighted to minors

Sunday, August 23,2026

Brendan Donovan [Seattle Mariners-MLB] ... IL-7 Injured

Patrick Wisdom [MLB] ... Recalled from from Tacoma Rainiers (AAA)

Saturday, August 22,2026

Kade Anderson [MLB] ... Contract purchased from minors

Cooper Criswell [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA) for rehab

Jhonathan Diaz [MLB] ... Designated for Assignment

Gunner Mayer [Tacoma-AAA] ... Released by Mariners

Robinson Ortiz [Tacoma-AAA] ... Activated from injured list

Spencer Packard [Tacoma-AAA] ... IL-7 Injured

Friday, August 21,2026

Will Armbruester [Arkansas-AA] ... Assigned to Arkansas Travelers (AA)

Matt Brash [Seattle Mariners-MLB] ... Transferred to 60-day IL

Nick Davila [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Carlos Vargas [MLB] ... Activated from injured list

Thursday, August 20,2026

J.P. Crawford [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA) for rehab

Wednesday, August 19,2026

Cole Cheatham [Inland Empire-A] ... Released by Angels

Jhonathan Diaz [MLB] ... Contract purchased from minors

Danny Macchiarola [Inland Empire-A] ... Activated from injured list

Luke Raley [Seattle Mariners-MLB] ... Transferred to 60-day IL

Josh Simpson [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Tuesday, August 18,2026

Andy Ibanez [Tacoma-AAA] ... Signed to Minor League contract

Bill Knight [Arkansas-AA] ... Placed on temporarily inactive list

Blake Rambusch [Arkansas-AA] ... Announced retirement

Monday, August 17,2026

Andy Ibanez [MLB] ... Signed to minor league contract

Saturday, August 15,2026

Aaron McKeithan [Tacoma-AAA] ... Released by Mariners

Troy Watson [Tacoma-AAA] ... Claimed off waivers from Detroit Tigers by Seattle Mariners

Troy Watson [MLB] ... Claimed off waivers from Detroit Tigers by Seattle Mariners

Friday, August 14,2026

Colt Emerson [MLB] ... IL-10 Left wrist tendon inflammation

Willie MacIver [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Brock Rodden [MLB] ... Contract purchased from minors

Thursday, August 13,2026

Chase Centala [Everett-A+] ... IL-7 Injured

Lael Lockhart [Arkansas-AA] ... Signed to Minor League contract

Lael Lockhart [MLB] ... Signed to minor league contract

Wednesday, August 12,2026

Scott Effross [Tacoma-AAA] ... Signed to Minor League contract

Willie MacIver [MLB] ... Claimed off waivers from Toronto Blue Jays by Seattle Mariners

Similien Senatus [Dominican Mariners-Rk] ... Assigned to DSL Mariners (Rk)

Tuesday, August 11,2026

Yorger Bautista [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

Scott Effross [MLB] ... Signed to minor league contract

Sean Hermann [Inland Empire-A] ... Activated from injured list

Michael Hobbs [Arkansas-AA] ... IL-7 Injured

Conor Larkin [MLB] ... Signed to minor league contract

Conor Larkin [Arkansas-AA] ... Signed to Minor League contract

Mason Peters [Everett-A+] ... Assigned to Everett AquaSox (A+)

Jakson Reetz [Tacoma-AAA] ... Placed on temporarily inactive list

Carlos Vargas [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA) for rehab

Monday, August 10,2026

George Feliz [Modesto-A] ... Released by Angels

Nolan Kingham [Tacoma-AAA] ... Claimed off waivers from Texas Rangers by Seattle Mariners

Sunday, August 9,2026

Nolan Kingham [MLB] ... Claimed off waivers from Texas Rangers by Seattle Mariners

Saturday, August 8,2026

Stuart Fairchild [Tacoma-AAA] ... Signed to Minor League contract

Stuart Fairchild [MLB] ... Signed to minor league contract

Casey Lawrence [Tacoma-AAA] ... Released by Mariners

Carlos Vargas [Everett-A+] ... Assigned to Everett AquaSox (A+) for rehab

Friday, August 7,2026

Nick Davila [MLB] ... Recalled from from Tacoma Rainiers (A)

Stuart Fairchild [Seattle Mariners-MLB] ... Granted free agency

Cole Wilcox [MLB] ... IL-15 Left oblique strain

Thursday, August 6,2026

Stuart Fairchild [Tacoma-AAA] ... Outrighted to minors

Cesar Quintas [Everett-A+] ... Assigned to Everett AquaSox (A+)

Ace Reese [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

Seth Shuman [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Wednesday, August 5,2026

Seth Shuman [MLB] ... Signed to minor league contract

Seth Shuman [ACL Mariners-Rk] ... Signed to Minor League contract

Gabriel Sosa [Everett-A+] ... Released by Mariners

Tuesday, August 4,2026

Brendan Donovan [MLB] ... Activated from injured list

Stuart Fairchild [MLB] ... Designated for Assignment

Jacob Galloway [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

Mitch Garver [Seattle Mariners-MLB] ... Released by Mariners

Aaron McKeithan [Tacoma-AAA] ... Assigned to Tacoma Rainiers (AAA)

Jhonny Pereda [MLB] ... Recalled from from Tacoma Rainiers (AA)

Rob Refsnyder [Seattle Mariners-MLB] ... Released by Mariners

Monday, August 3,2026

Alex Hoppe [MLB] ... Traded from Mariners with Brock Moore and Harrison Kreiling to Orioles for Taylor Ward

Brock Moore [Chesapeake-AA] ... Traded from Mariners with Alex Hoppe and Harrison Kreiling to Orioles for Taylor Ward

Taylor Ward [MLB] ... Traded from Orioles to Mariners for Alex Hoppe, Brock Moore and Harrison Kreiling

Connor Wilford [Inland Empire-A] ... Assigned to Inland Empire 66ers (A)

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