Jhonathan Diaz

Lefthander Jhonathan Diaz has been reassigned to minor league camp by the Seattle Mariners.

Fantasy Impact

Diaz has pitched parts of five seasons in the big leagues and has a 4.66 ERA in 46.1 innings with a 33:27 K:BB ratio. The southpaw pitched most of last season at Triple-A Tacoma where he went 11-6 with a 4.15 ERA. He was limited to three innings this spring so he'll get an opportunity to develop more at Tacoma to begin the year.

The Mariners have signed left-hander Jhonathan Diaz to a minor-league deal.

Fantasy Impact

Diaz's minor-league pact includes an invite to MLB spring training. The southpaw has made six appearances for the Mariners over the last two seasons and posted a 4.15 ERA in 27 Triple-A appearances (26 starts) in 2025.

The Mariners have outrighted left-hander Jhonathan Diaz to Triple-A Tacoma.

Fantasy Impact

Diaz was designated for assignment by the M's on Friday and will remain in the organization, albeit off the 40-man roster. The 29-year-old has made just 17 big-league appearances since debuting in the 2021 season, posting a 4.66 ERA in the process.

The Mariners designated LHP Jhonathan Díaz for assignment.

Fantasy Impact

Diaz has made just a handful of relief appearances in the majors for Seattle. He'll likely clear waivers.

The Mariners placed Jhonathan Diaz on the taxi sqaud.

Fantasy Impact

Diaz is with the Mariners in Minnesota. It is unclear if he is with the team to make a start or be used out of the bullpen.