It promises to be a busy off-season in Seattle. Here is your one-stop shop to keep track of everything the Seattle Mariners have done so far in the 2021-2022 off-season, chronologically, with links to the relevant articles (the ones we write will also appear in the story stream) or transaction listings.
- 10/22/21: Outright UTIL Sam Haggerty, 2B/UTIL Shed Long, OF Marcus Wilson, RHP Ryan Weber, RHP Darren McCaughan. RHP Ljay Newsome claimed on waivers by St. Louis
- 10/27/21: Outright DH Jake Bauers
- 11/18/21: Add OF Julio Rodríguez, LHP Ray Kerr, & OF Alberto Rodriguez to 40-man roster
- 11/27/21: Trade OF Corey Rosier & LHP Ray Kerr to San Diego Padres for 2B/OF Adam Frazier
- 11/29/21: Sign LHP Robbie Ray
- 12/8/21: Minor League Rule-5 Draft: Select OF Tanner Kirwer from Toronto Blue Jays, OF Walking Cabrera from Colorado Rockies, & RHP Tommy Wilson from New York Mets. Trade RHP Tommy Wilson to Baltimore Orioles for cash considerations
- 12/8/21: Minor League Rule-5 Draft: Lose RHP Nolan Hoffman to Baltimore Orioles, RHP Elvis Alvarado to Detroit Tigers.