The Seattle Mariners released a player before their Opening Day game against the Cleveland Guardians (at home).

Rookie Chase DeLauter hit his first two career home runs as the Cleveland Guardians beat the Seattle Mariners 6-4.

Luis Castillo bumped to game five of the season? Bryan Woo not pitching against the New York Yankees? What's going on? We ...

A lifelong Mariners fan embodies the spirit and tradition of Seattle baseball on Opening Day. Advertisement. About Our Ads; ...

DeLauter became the sixth rookie in Major League Baseball history to hit multiple home runs in his first game in the bigs, ...

The Seattle Mariners went their entire season opener without using the new Automated Ball-Strike Challenge System, despite a prime opportunity to do so.

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 ...

Opening Day means a big showing for businesses in SODO, many of which are feeling hopeful for the 2026 Seattle Mariners ...

From couples from Puyallup, Port Orchard entering the yard first to team CEO John Stanton, they expect a first Seattle World ...

Seattle; Friday, 9:45 p.m. EDT PITCHING PROBABLES: Guardians: Gavin Williams (0-0); Mariners: George Kirby (0-0) BETMGM SPORTSBOOK LINE: Mariners -169, Guardians +143; over/under is 7 runs BOTTOM LINE ...