The lid has been lifted, and the Mariners are off and running in Cactus League play. Seattle opened its 31-game Spring Training slate on Friday against the Padres, their neighbors at the Peoria Sports Complex.

The San Francisco Giants are set to take some of their key players with them to their spring training opener against the Seattle Mariners.

Seattle Mariners insider Shannon Drayer's first impression at spring training: "It was like I was watching a different team."

The Cactus League schedule kicks off Friday when the Seattle Mariners and the San Diego Padres meet in spring training action at 1:10 p.m. MST Friday, Feb.

Plenty of players will get auditions for the big leagues as the Seattle Mariners hold their 2026 Spring Training camp in Peoria, Arizona, with some notable new

The first baseman, who joined the Mariners just before the trade deadline in 2025, said Tucker helps lighten the team's day.

When Mariners Meet on the Field, Who Will Walk Away the Winner?

As Mariners Spring Training ramps up, pitcher Bryce Miller says he is near 100% after dealing with an elbow injury last season.