The Seattle Mariners have the assets to make a big move on the trade market this

The Seattle Mariners made a low-key roster move on Wednesday, as they outrighted left-handed pitcher Jhonathan Diaz to Triple-A Tacoma. He had been designated for assignment the other day when the team traded for Cooper Criswell.

The Minnesota Twins traded catcher Jhonny Pereda to the Seattle Mariners to compete for a back-up spot behind Cal Raleigh.

The Seattle Mariners have somewhat surprisingly designated reliever Jackson Kowar for assignment on Tuesday

MLB.com writer Anthony Castrovince listed two Mariners players on his All-Underrated Team for 2026. While Raleigh, Josh Naylor, and Julio Rodríguez get all of the attention, these two players will be key contributors for the Mariners in 2026.

The Seattle Mariners have picked up a fair few backup catcher options this winter, and on Tuesday, they added one more.

Jhonny Pereda appeared in 11 games for Minnesota after being picked up off waivers in July.

Eugenio Suarez’s free agent market is currently at a standstill, but an MLB insider has shared the latest intel on his rumors.

Seattle Mariners Senior Vice President of Marketing & Communications Gregg Greene and Vice President of Creative and Content Services Ben Mertens announced today the lineup of announcers for Seattle Mariners Radio and Television this season.

As Logan Gilbert looks at the Mariners' current pitching rotation, he sees five players capable of winning Cy Young.