Mariners Spring Training 2026, Game #8: Thread

· Yahoo Sports

PEORIA, ARIZONA - FEBRUARY 19: Luis Castillo #58 of the Seattle Mariners poses for a portrait at Peoria Sports Complex on February 19, 2026 in Peoria, Arizona. (Photo by Stacy Revere/Getty Images) | Getty Images

As Spring Training hits its stride and the Mariners move past their first week of games, Luis Castillo — La Piedra — takes the rock for the first time in 2026. Castillo, despite an up-and-down regular season, was an absolute hero during the postseason and we are all looking forward to seeing what he has in store in 2026!

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It’s an interesting-look starting lineup for the M’s tonight, with the only real MLB players being Victor Robles in center, Josh Naylor at first, Miles Mastrobuoni at third, and Leo Rivas at short. This writer is especially excited to see how Cole Young performs under the lights tonight at second base.

Likely pitchers to follow Luis on the mound include Casey Lawrence, Carlos Vargas, José Ferrer, Tyler Cleveland, and Josh Simpson.

The Snakes are sending out Ryne Nelson (first Stanek now this guy? Someone has to teach pitchers how to spell “Ryan”) to the mound first tonight. Nelson has been a fixture for Arizona over the past three years, and set a career best ERA of 3.39 in 2025. It is also Nelson’s first start of the spring.

First Pitch: 5:10pm PT

Watch: Mariners.TV, Mariners.com, and (if you’re outside the PNW like our esteemed Kate Preusser) MLB Network

Listen: Seattle Sports 710AM

As a reminder, we’re hoping to build our community before Opening Day for what promises to be an exciting 2026 season and we’d love to have you with us. If you haven’t yet, sign up (it makes the site function much better for you, as a bonus) and jump on in to the conversation! This is especially helpful on radio-only games to keep the conversation flowing. And don’t worry about making a mistake – it’s spring training for all of us.

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