Mariners Roster & Staff
Transactions
| Date | Transaction |
| 03/31/22 | 3B Milkar Perez and assigned to Seattle Mariners. |
| 03/31/22 | C Charlie Welch and assigned to Seattle Mariners. |
| 03/31/22 | Seattle Mariners released LHP Ryan Buchter. |
| 03/30/22 | RHP John Creel roster status changed by Seattle Mariners. |
| 03/30/22 | C Harry Ford and assigned to Seattle Mariners. |
| 03/30/22 | Seattle Mariners signed free agent OF Myles Miller to a minor league contract. |
| 03/30/22 | OF Gabriel Gonzalez assigned to Seattle Mariners. |
| 03/30/22 | OF Jonatan Clase assigned to Seattle Mariners. |
| 03/30/22 | Seattle Mariners signed free agent C Jamie Johnson to a minor league contract. |
| 03/30/22 | OF Gabriel Gonzalez roster status changed by Seattle Mariners. |
| 03/30/22 | Seattle Mariners signed free agent RHP John Creel to a minor league contract. |
| 03/30/22 | OF Jonatan Clase roster status changed by Seattle Mariners. |
| 03/29/22 | SS Axel Sanchez roster status changed by Seattle Mariners. |
| 03/29/22 | OF George Feliz assigned to Seattle Mariners. |
| 03/29/22 | RHP Matthew Willrodt and assigned to Seattle Mariners. |
| 03/29/22 | OF George Feliz roster status changed by Seattle Mariners. |
| 03/29/22 | LF Robert Perez and assigned to Seattle Mariners. |
| 03/29/22 | SS Axel Sanchez assigned to Seattle Mariners. |
| 03/29/22 | RHP Bryan Pall and assigned to Seattle Mariners. |
| 03/29/22 | Seattle Mariners traded RHP Connor Phillips to Cincinnati Reds. |
| 03/29/22 | Seattle Mariners optioned LF Taylor Trammell to Tacoma Rainiers. |
| 03/28/22 | CF Dom Thompson-Williams assigned to Seattle Mariners. |
| 03/28/22 | SS Edwin Arroyo and assigned to Seattle Mariners. |
| 03/28/22 | Seattle Mariners invited non-roster C Joseph Odom and to spring training. |
| 03/27/22 | RHP Robert Winslow assigned to Seattle Mariners. |
| 03/27/22 | 2B Amador Arias and assigned to Seattle Mariners. |
| 03/27/22 | RHP Robert Winslow roster status changed by Seattle Mariners. |
| 03/27/22 | Seattle Mariners optioned 3B Kevin Padlo to Tacoma Rainiers. |
| 03/27/22 | Seattle Mariners optioned OF Alberto Rodriguez to Everett AquaSox. |
| 03/26/22 | SS Ben Ramirez assigned to Seattle Mariners. |
| 03/26/22 | 3B Zach Green and assigned to Seattle Mariners. |
| 03/26/22 | SS Ben Ramirez roster status changed by Seattle Mariners. |
| 03/25/22 | C David Sheaffer roster status changed by Seattle Mariners. |
| 03/25/22 | OF Walking Cabrera and assigned to Seattle Mariners. |
| 03/25/22 | 2B Justin Lavey and assigned to Seattle Mariners. |
| 03/25/22 | C David Sheaffer assigned to Seattle Mariners. |
| 03/24/22 | OF Colin Davis and assigned to Seattle Mariners. |
| 03/24/22 | C Freuddy Batista assigned to Seattle Mariners. |
| 03/24/22 | Seattle Mariners signed free agent RHP Sergio Romo. |
| 03/24/22 | SS Connor Hoover assigned to Seattle Mariners. |
| 03/24/22 | Seattle Mariners activated RHP Andres Munoz. |
| 03/24/22 | C Freuddy Batista roster status changed by Seattle Mariners. |
| 03/24/22 | SS Connor Hoover roster status changed by Seattle Mariners. |
| 03/22/22 | OF Spencer Packard assigned to Seattle Mariners. |
| 03/22/22 | Seattle Mariners signed free agent RHP Sal Romano and to a minor league contract and invited him to spring training. |
| 03/22/22 | Seattle Mariners invited non-roster SS Patrick Frick to spring training. |
| 03/22/22 | SS Patrick Frick roster status changed by Seattle Mariners. |
| 03/22/22 | OF Spencer Packard roster status changed by Seattle Mariners. |
| 03/22/22 | Seattle Mariners optioned RHP Joey Gerber to Tacoma Rainiers. |
| 03/22/22 | Seattle Mariners optioned RHP Juan Then and to Arkansas Travelers. |
| 03/21/22 | SS Cesar Izturis Jr. roster status changed by Seattle Mariners. |
| 03/21/22 | Seattle Mariners signed free agent CF Billy Hamilton and to a minor league contract and invited him to spring training. |
| 03/21/22 | OF Randy Bednar assigned to Seattle Mariners. |
| 03/21/22 | OF Randy Bednar roster status changed by Seattle Mariners. |
| 03/21/22 | C Matt Scheffler and assigned to Seattle Mariners. |
| 03/21/22 | SS Cesar Izturis Jr. assigned to Seattle Mariners. |
| 03/20/22 | SS James Parker roster status changed by Seattle Mariners. |
| 03/20/22 | RHP Kelvin Nunez and assigned to Seattle Mariners. |
| 03/20/22 | Seattle Mariners signed free agent LHP Ryan Buchter to a minor league contract and invited him to spring training. |
| 03/20/22 | 3B Joe Rizzo assigned to Seattle Mariners. |
| 03/20/22 | RHP Fred Villarreal assigned to Seattle Mariners. |
| 03/20/22 | CF Victor Labrada assigned to Seattle Mariners. |
| 03/20/22 | RHP Jarod Bayless assigned to Seattle Mariners. |
| 03/20/22 | 3B Joe Rizzo roster status changed by Seattle Mariners. |
| 03/20/22 | RHP Jarod Bayless roster status changed by Seattle Mariners. |
| 03/20/22 | CF Victor Labrada roster status changed by Seattle Mariners. |
| 03/20/22 | RHP Fred Villarreal roster status changed by Seattle Mariners. |
| 03/20/22 | SS James Parker assigned to Seattle Mariners. |
| 03/19/22 | LF Cade Marlowe roster status changed by Seattle Mariners. |
| 03/19/22 | LF Cade Marlowe assigned to Seattle Mariners. |
| 03/19/22 | Seattle Mariners invited non-roster LHP Peyton Alford and to spring training. |
| 03/19/22 | Seattle Mariners invited non-roster 2B Riley Unroe to spring training. |
| 03/19/22 | 3B Jake Scheiner roster status changed by Seattle Mariners. |
| 03/19/22 | 2B Riley Unroe roster status changed by Seattle Mariners. |
| 03/19/22 | 3B Jake Scheiner assigned to Seattle Mariners. |
| 03/18/22 | RHP Matt Koch assigned to Seattle Mariners. |
| 03/18/22 | RHP Matt Koch roster status changed by Seattle Mariners. |
| 03/18/22 | RHP Braden Shipley and assigned to Seattle Mariners. |
| 03/18/22 | RHP Michael Stryffeler roster status changed by Seattle Mariners. |
| 03/18/22 | RHP Jake Haberer assigned to Seattle Mariners. |
| 03/18/22 | RHP Jake Haberer roster status changed by Seattle Mariners. |
| 03/18/22 | RHP Penn Murfee roster status changed by Seattle Mariners. |
| 03/18/22 | LHP Ben Onyshko roster status changed by Seattle Mariners. |
| 03/18/22 | LHP Ben Onyshko assigned to Seattle Mariners. |
| 03/18/22 | RHP Michael Stryffeler assigned to Seattle Mariners. |
| 03/18/22 | RHP Penn Murfee assigned to Seattle Mariners. |
| 03/16/22 | Seattle Mariners signed free agent 3B Zach Green to a minor league contract. |
| 03/16/22 | Seattle Mariners signed free agent C Chance Sisco to a minor league contract and invited him to spring training. |
| 03/16/22 | Seattle Mariners signed free agent 1B Mike Ford to a minor league contract and invited him to spring training. |
| 03/16/22 | 1B Mike Ford roster status changed by Seattle Mariners. |
| 03/14/22 | Seattle Mariners invited non-roster RHP Travis Kuhn to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster SS Erick Mejia to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster OF Zach DeLoach to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster RHP Asher Wojciechowski to spring training. |
| 03/14/22 | Seattle Mariners activated LF Jesse Winker. |
| 03/14/22 | Seattle Mariners invited non-roster 2B Sam Haggerty to spring training. |
| 03/14/22 | Seattle Mariners signed free agent 2B Forrest Wall to a minor league contract and invited him to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster RHP Matthew Festa to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster RHP Levi Stoudt to spring training. |
| 03/14/22 | Seattle Mariners activated LF Jesse Winker. |
| 03/14/22 | Seattle Mariners invited non-roster CF Marcus Wilson to spring training. |
| 03/14/22 | 2B Forrest Wall roster status changed by Seattle Mariners. |
| 03/14/22 | Seattle Mariners invited non-roster LHP Ian McKinney to spring training. |
| 03/14/22 | Seattle Mariners signed free agent RHP Patrick Weigel to a minor league contract and invited him to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster 3B Josh Morgan to spring training. |
| 03/14/22 | Seattle Mariners signed free agent RF Steven Souza Jr. to a minor league contract and invited him to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster C Jake Anchia to spring training. |
| 03/14/22 | RHP Levi Stoudt roster status changed by Seattle Mariners. |
| 03/14/22 | Seattle Mariners invited non-roster RHP David Ellingson to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster SS Jose Caballero to spring training. |
| 03/14/22 | Seattle Mariners activated 3B Eugenio Suarez. |
| 03/14/22 | Seattle Mariners activated 3B Eugenio Suarez. |
| 03/14/22 | Seattle Mariners invited non-roster LHP Roenis Elias to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster OF Jack Larsen and to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster C Brian O'Keefe and to spring training. |
| 03/14/22 | SS Erick Mejia roster status changed by Seattle Mariners. |
| 03/14/22 | 3B Josh Morgan roster status changed by Seattle Mariners. |
| 03/14/22 | SS Noelvi Marte roster status changed by Seattle Mariners. |
| 03/14/22 | LHP Ian McKinney roster status changed by Seattle Mariners. |
| 03/14/22 | RHP Travis Kuhn roster status changed by Seattle Mariners. |
| 03/14/22 | RHP George Kirby roster status changed by Seattle Mariners. |
| 03/14/22 | 2B Sam Haggerty roster status changed by Seattle Mariners. |
| 03/14/22 | RHP David Ellingson roster status changed by Seattle Mariners. |
| 03/14/22 | RHP Matthew Festa roster status changed by Seattle Mariners. |
| 03/14/22 | LHP Roenis Elias roster status changed by Seattle Mariners. |
| 03/14/22 | SS Jose Caballero roster status changed by Seattle Mariners. |
| 03/14/22 | OF Zach DeLoach roster status changed by Seattle Mariners. |
| 03/14/22 | LHP Kyle Bird roster status changed by Seattle Mariners. |
| 03/14/22 | C Jake Anchia roster status changed by Seattle Mariners. |
| 03/14/22 | RHP Asher Wojciechowski roster status changed by Seattle Mariners. |
| 03/14/22 | RHP Patrick Weigel roster status changed by Seattle Mariners. |
| 03/14/22 | RHP Devin Sweet roster status changed by Seattle Mariners. |
| 03/14/22 | Seattle Mariners invited non-roster LHP Danny Young to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster RHP Devin Sweet to spring training. |
| 03/14/22 | Seattle Mariners invited non-roster LHP Kyle Bird to spring training. |
| 03/14/22 | LHP Danny Young roster status changed by Seattle Mariners. |
| 03/14/22 | Seattle Mariners invited non-roster SS Noelvi Marte to spring training. |
| 03/14/22 | CF Marcus Wilson roster status changed by Seattle Mariners. |
| 03/14/22 | RF Steven Souza Jr. roster status changed by Seattle Mariners. |
| 03/14/22 | Seattle Mariners invited non-roster RHP George Kirby to spring training. |
| 03/14/22 | Cincinnati Reds traded LF Jesse Winker and 3B Eugenio Suarez to Seattle Mariners for RHP Justin Dunn, CF Jake Fraley, LHP Brandon Williamson and Player To Be Named Later. |
| 03/14/22 | Cincinnati Reds traded LF Jesse Winker and 3B Eugenio Suarez to Seattle Mariners for RHP Justin Dunn, CF Jake Fraley, LHP Brandon Williamson and Player To Be Named Later. |
| 03/14/22 | Cincinnati Reds traded LF Jesse Winker and 3B Eugenio Suarez to Seattle Mariners for RHP Justin Dunn, CF Jake Fraley, LHP Brandon Williamson and Player To Be Named Later. |
| 03/14/22 | Cincinnati Reds traded LF Jesse Winker and 3B Eugenio Suarez to Seattle Mariners for RHP Justin Dunn, CF Jake Fraley, LHP Brandon Williamson and Player To Be Named Later. |
| 03/14/22 | Cincinnati Reds traded LF Jesse Winker and 3B Eugenio Suarez to Seattle Mariners for RHP Justin Dunn, CF Jake Fraley, LHP Brandon Williamson and Player To Be Named Later. |
| 03/13/22 | Pittsburgh Pirates claimed LHP Aaron Fletcher off waivers from Seattle Mariners. |
| 03/13/22 | San Francisco Giants claimed C Jose Godoy off waivers from Seattle Mariners. |
| 03/10/22 | Seattle Mariners signed free agent RHP Braden Shipley to a minor league contract. |
| 03/10/22 | Seattle Mariners signed free agent RHP Matt Koch to a minor league contract. |
| 03/08/22 | Seattle Mariners signed free agent LHP Kyle Bird to a minor league contract. |