Conley announced his retirement from baseball Friday, Christina De Nicola of MLB.com reports.
Conley cleared waivers and elected free agency Friday, radio broadcaster Steve Carney reports.
Conley was designated for assignment by the Rays on Sunday, Neil Solondz of the Rays Radio Network reports.
Conley was placed on the COVID-19 injured list Tuesday, Neil Solondz of the Rays Radio Network reports.
Conley, who was credited with his first hold while allowing a hit over a scoreless two-thirds of an inning in a win over the White Sox on Sunday, has a 1.93 ERA and 0.64 WHIP over the 4.2 innings he's logged across four appearances with the Rays.
Conley recently agreed to a minor-league contract with the Rays, Chris Hilburn-Trenkle of Baseball America reports.
Conley signed a contract with the Rakuten Golden Eagles in Japan on Saturday, Craig Mish of SportsGrid.com reports.
Conley elected to become a free agent Thursday, Andersen Pickard of MLBDailyDish.com reports.
The Marlins outrighted Conley to their alternate training site Sunday.
The Marlins activated Conley (undisclosed) from the 10-day injured list Sunday and designated him for assignment.