Jhonathan Diaz
SP,RP - Seattle Mariners
2026 Outlook
Roster %
Eligibility
Availability
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.
The Mariners optioned Jhonathan Diaz to Triple-A Tacoma.
Fantasy Impact
Diaz gets sent down to make room for Casey Lawrence. He was recalled last week and did not make an appearance.
The Seattle Mariners recalled Jhonathan Diaz from Triple-A Tacoma on Wednesday.
Fantasy Impact
Diaz has made seven appearances (six starts) with Triple-A Tacoma this season, recording a 5.87 ERA and 1.46 WHIP. He also made one relief appearance for the Mariners on April 11 against the Tigers, tossing 1.1 scoreless innings. With Bryce Miller (elbow) placed on the 15-day IL, Diaz is expected to take his spot in the rotation. He’s currently slated to start Friday’s game against the San Diego Padres.
The Mariners have selected the contract of Jhonathan Diaz from Triple-A Tacoma.
Fantasy Impact
Diaz will take the roster spot of Emerson Hancock, who was optioned in a corresponding move. Diaz will likely take Hancock's spot in the starting rotation.
The Mariners have reassigned Jhonathan Diaz to minor-league camp, per team reports.
Fantasy Impact
Diaz has been stretched out as a starter this spring but was never in the mix for a rotation spot, even with George Kirby (shoulder) set to miss time. Emerson Hancock is likely to fill Kirby’s role to start the season, but Diaz remains a depth option if further injuries arise. He will continue building innings at Triple-A Tacoma while awaiting a potential call-up.