With just over three weeks until baseball season begins, here's who we think will make the Mariners' opening day roster.

The Seattle Mariners feature a solid lineup, a phenomenal starting rotation, and an excellent bullpen. Their pipeline is ...

As one of the Seattle Mariners on the roster bubble in spring training, things are currently looking up for reliever Casey ...

The Mariners are finally starting to meet the vision Jerry Dipoto and the rest of the front office had a decade ago ...

The Mariners’ offseason all but concluded with their big trade for Brendan Donovan last week, which solidified a roster that should be favorites to repeat as American League West champions. The 26-man ...

Even after losing two infield starters and a lot of power over the winter, the Mariners' re-loaded lineup is considered even better heading into the 2026 season ...

Manager Dan Wilson announced the Mariners’ first Cactus League lineup for the spring opener against the Padres and it contains two intriguing prospects.

Seattle Mariners star outfielder Julio Rodriguez shifts from a chip-on-shoulder edge to trusting himself after a career-high ...

Seattle Mariners insider Shannon Drayer has updates on some players who have dealt with soreness in spring training and more from Arizona.

Seattle improved to 3-3-1 in the 2026 exhibition season with a home victory over the Boys from the Cuyahoga Valley on Thursday afternoon ...

The Mariners were 8 outs away, or arguably one George Springer swing away, from finally making it happen in 2025.