Who is ready for some baseball? The Seattle Mariners open the 2026 MLB season on Thursday, March 26 at home against the Cleveland Guardians at T-Mobile Park.

It's that time of the year! With the arrival of spring and high expectations for the Mariners, fans will be flocking to T-Mobile Park to watch the Mariners!

The Seattle Mariners kick off the 2026 season against the Cleveland Guardians at T-Mobile Park. Here's everything you need to know.

The Mariners adjust their Opening Day rotation as Bryce Miller continues rehab from an Oblique injury, with a possible April return.

Hi, friends—it’s me, Hello Kitty®! I’m SO excited to see you all at T-Mobile Park this season for two supercute celebrations of yours truly. Join the fun and score exclusive Mariners-themed Hello Kitty® giveaways, including a Squish Pillow on March 30 and a Jacket on September 8. See you there!

The Mariners will kick off the season with big expectations and the first 31 games of the year could go a long way toward helping them realize them.

"Play ball, baby!" With those words – and a little strategic maneuvering to schedule it while the regular host of The Spokesman-Review's Press Box Podcast, Dave Nichols, was on vacation – Rick Lukens kicked off our 2026 Seattle Mariners preview alongside fellow local broadcast legends Bud Nameck and Dennis Patchin.