Mariners Roster & Staff
Transactions
| Date | Transaction |
| 06/30/22 | SS J.P. Crawford roster status changed by Seattle Mariners. |
| 06/29/22 | Seattle Mariners placed LF Taylor Trammell on the 10-day injured list. Right hamstring strain. |
| 06/29/22 | Seattle Mariners transferred C Tom Murphy from the 10-day injured list to the 60-day injured list. |
| 06/29/22 | Seattle Mariners transferred C Tom Murphy from the 10-day injured list to the 60-day injured list. Dislocated left shoulder. |
| 06/29/22 | Seattle Mariners selected the contract of CF Marcus Wilson from Tacoma Rainiers. |
| 06/29/22 | Seattle Mariners optioned 3B Kevin Padlo to Tacoma Rainiers. |
| 06/29/22 | Seattle Mariners recalled 2B Sam Haggerty and from Tacoma Rainiers. |
| 06/28/22 | Seattle Mariners activated 1B Carlos Santana. |
| 06/28/22 | Seattle Mariners optioned 3B Drew Ellis to Tacoma Rainiers. |
| 06/27/22 | Seattle Mariners signed free agent RHP Chris Mazza to a minor league contract. |
| 06/27/22 | Seattle Mariners signed free agent LHP Brennan Bernardino to a minor league contract. |
| 06/27/22 | Seattle Mariners signed free agent RHP Rodney Hutchison to a minor league contract. |
| 06/27/22 | Seattle Mariners traded RHP Wyatt Mills and RHP William Fleming to Kansas City Royals for 1B Carlos Santana and cash. |
| 06/27/22 | Seattle Mariners traded RHP Wyatt Mills and RHP William Fleming to Kansas City Royals for 1B Carlos Santana and cash. |
| 06/27/22 | Seattle Mariners traded RHP Wyatt Mills and RHP William Fleming to Kansas City Royals for 1B Carlos Santana and cash. |
| 06/27/22 | Seattle Mariners selected the contract of C Andrew Knapp from Tacoma Rainiers. |
| 06/25/22 | Seattle Mariners placed 3B Ty France on the 10-day injured list retroactive to June 24, 2022. Left elbow sprain. |
| 06/25/22 | Cincinnati Reds traded LF Trey Amburgey to Seattle Mariners. |
| 06/25/22 | Seattle Mariners recalled 3B Drew Ellis from Tacoma Rainiers. |
| 06/23/22 | Seattle Mariners sent LHP Roenis Elias outright to Tacoma Rainiers. |
| 06/22/22 | Seattle Mariners signed free agent RHP Jacob Barnes to a minor league contract. |
| 06/21/22 | Seattle Mariners released RHP Joey Gerber. |
| 06/21/22 | Seattle Mariners released RHP Sergio Romo. |
| 06/21/22 | Seattle Mariners signed free agent RHP Erick Rodriguez to a minor league contract. |
| 06/20/22 | Seattle Mariners designated RHP Sergio Romo for assignment. |
| 06/20/22 | Seattle Mariners designated LHP Roenis Elias for assignment. |
| 06/20/22 | Seattle Mariners activated RHP Ken Giles. |
| 06/20/22 | Seattle Mariners recalled 3B Kevin Padlo from Tacoma Rainiers. |
| 06/19/22 | Seattle Mariners optioned LHP Justus Sheffield to Tacoma Rainiers. |
| 06/18/22 | Seattle Mariners designated RHP Joey Gerber for assignment. |
| 06/18/22 | Seattle Mariners recalled LHP Justus Sheffield from Tacoma Rainiers. |
| 06/18/22 | Seattle Mariners optioned RHP Matthew Festa to Tacoma Rainiers. |
| 06/18/22 | Seattle Mariners selected the contract of LHP Tommy Milone from Tacoma Rainiers. |
| 06/17/22 | Seattle Mariners reassigned 2B Sam Haggerty to the minor leagues. |
| 06/17/22 | Seattle Mariners optioned 2B Sam Haggerty to Tacoma Rainiers. |
| 06/17/22 | Seattle Mariners recalled LF Justin Upton and from Tacoma Rainiers. |
| 06/16/22 | Seattle Mariners transferred RF Mitch Haniger from the 10-day injured list to the 60-day injured list. Right high ankle sprain. |
| 06/16/22 | Seattle Mariners claimed 3B Drew Ellis off waivers from Arizona Diamondbacks. |
| 06/14/22 | Seattle Mariners sent 1B Evan White on a rehab assignment to Tacoma Rainiers. |
| 06/14/22 | Seattle Mariners signed free agent RHP Fran Visamon to a minor league contract. |
| 06/14/22 | Seattle Mariners sent RHP Drew Steckenrider outright to Tacoma Rainiers. |
| 06/11/22 | Seattle Mariners designated RHP Drew Steckenrider for assignment. |
| 06/11/22 | Seattle Mariners optioned 3B Kevin Padlo to Tacoma Rainiers. |
| 06/11/22 | Seattle Mariners claimed 3B Kevin Padlo off waivers from San Francisco Giants. |
| 06/10/22 | Seattle Mariners activated RHP Erik Swanson. |
| 06/10/22 | Seattle Mariners optioned LHP Anthony Misiewicz to Tacoma Rainiers. |
| 06/10/22 | Atlanta Braves claimed 1B Mike Ford off waivers from Seattle Mariners. |
| 06/08/22 | Seattle Mariners signed free agent RHP Eduardo Tovar to a minor league contract. |
| 06/08/22 | Seattle Mariners signed free agent SS Dervy Ventura to a minor league contract. |
| 06/08/22 | Seattle Mariners signed free agent C Rodrigo Vigil to a minor league contract. |
| 06/07/22 | Seattle Mariners sent RHP Erik Swanson on a rehab assignment to Tacoma Rainiers. |
| 06/07/22 | Seattle Mariners sent RHP Ken Giles on a rehab assignment to Tacoma Rainiers. |
| 06/06/22 | Seattle Mariners signed free agent IF Yensy Bello to a minor league contract. |
| 06/05/22 | Seattle Mariners activated LHP Ryan Borucki. |
| 06/05/22 | Seattle Mariners designated 1B Mike Ford for assignment. |
| 06/05/22 | Toronto Blue Jays traded LHP Ryan Borucki to Seattle Mariners for 3B Tyler Keenan. |
| 06/05/22 | Toronto Blue Jays traded LHP Ryan Borucki to Seattle Mariners for 3B Tyler Keenan. |
| 06/04/22 | Seattle Mariners signed free agent RHP Colby Morris to a minor league contract. |
| 06/03/22 | Seattle Mariners sent RHP Erik Swanson on a rehab assignment to Everett AquaSox. |
| 06/02/22 | Seattle Mariners signed free agent LHP Jake Miednik to a minor league contract. |
| 06/02/22 | Seattle Mariners sent RHP Riley O'Brien outright to Tacoma Rainiers. |
| 06/01/22 | Seattle Mariners sent RHP Ken Giles on a rehab assignment to Everett AquaSox. |
| 06/01/22 | Seattle Mariners activated 3B Abraham Toro. |
| 06/01/22 | Seattle Mariners activated 3B Abraham Toro. |