Seattle Mariners News & Updates

March 24, 2026

Seattle Mariners Headlines

Luis Castillo was the silver lining in the Mariners' 10-3 loss to the Padres, showing a promising form by allowing just one run over five innings while striking out five. As spring training wraps up, fans are buzzing with anticipation for Opening Day against the Guardians at T-Mobile Park, where memories of last year's playoff run still linger. With position players trying out unique roles, like Garver at first base, the Mariners are clearly testing their depth ahead of the regular season. Additionally, the excitement for the new Mariners.TV streaming service signals a fresh chapter for fans eager to follow the team's journey in 2026. With a solid pitching performance from Castillo, the Mariners are ready to turn the page and tackle the AL West, where every win will count.

Sources

Luis Castillo sharp in final game of spring training

Lookout Landing

Luis Castillo sharp in final game of spring training

The Mariners lost the final game of spring training to their complex-mates the Padres today, 10-3, but that is not important. Here’s what’s important: Luis Castillo strong in final appearance of spring Castillo went five innings and gave up just one run on four hits with five strikeouts. He got the Padres hitters to put […]

Mariners Spring Training Game #30: Open Game Thread

Lookout Landing

Mariners Spring Training Game #30: Open Game Thread

It’s the last game of spring training and I thought it started at one but it started at noon, whoops sorry. Talk about it here! Luis Castillo pulls the final start of the srping, which feels bookend-y. Call this the “we’re just trying some things” lineup. Garver at first? Sure. Game information: Game time: NOW […]

Poll: Who Will Win The AL West?

Poll: Who Will Win The AL West?

With Opening Day just around the corner, the offseason is more or less complete for MLB’s 30 clubs and teams. Until the playoffs begin, teams will be focused on a smaller goal: winning their division. In the run-up to the start of the season, we will be conducting a series of polls to gauge who […]

Guardians-Mariners 2026 Opening Day FAQ (Thurs., 7:10 p.m. PT)

Guardians-Mariners 2026 Opening Day FAQ (Thurs., 7:10 p.m. PT)

SEATTLE -- Baseball will be played at T-Mobile Park this Thursday for the first time since Game 5 of last year’s American League Championship Series, where some of the most iconic moments of the entire season took place. The Mariners are returning to their home crowd following an offseason of

NEW for 2026: Stream Mariners games on Mariners.TV; get a free trial

NEW for 2026: Stream Mariners games on Mariners.TV; get a free trial

A new era of watching Mariners baseball is here, and Mariners.TV has you covered all season long.

Spring Breakout blew the lid off another Mariners prospect with sky-high potential

Spring Breakout blew the lid off another Mariners prospect with sky-high potential

Ryan Sloan received most of the Mariners headlines after their Spring Breakout game, but Yorger Bautista also announced himself to a wider audience in Phoenix.