Bright prospects and new faces: Recapping Seattle's Spring Training

The equipment truck has already departed for Seattle, the few roster battles that were in the works have mostly been decided, the rotation has been slotted and the final cuts are in the works.
Today
- MLB
Miller, Mariners to face former teammate Ray
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Fri, Apr 4
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Rock embraces Pebble: Castillo takes same-named teammate under his wing
The Luis Castillo that most in the Majors know by now had never actually met the Luis Castillo who joined the Mariners for a spot start on Friday against the Giants until this spring.
Players: - MLB
Mariners show three-step winning formula
This story was excerpted from Daniel Kramer’s Mariners Beat newsletter.
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Change your stance: 7 hitters moving in the box
New Statcast metrics shine a light on notable 2025 adjustments.
Players: - MLB
Here is one prospect prediction for each organization
When you’re in the prospect business, predicting is a big part of the gig.
Thu, Apr 3
- MLB
Rotation shuffle has Luis F. Castillo -- a second one -- pitching Friday in SF
In an interesting twist, the Mariners are expected to shuffle their rotation ahead of this weekend’s series vs. the Giants by pushing back Bryce Miller and Bryan Woo one day each and inserting Luis F. Castillo for Friday’s game at Oracle Park.
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Mariners starting Luis Castillo in two straight games. ... What?
Just two days after Luis Castillo threw 92 pitches in a seven-inning gem for the Mariners, they're starting Luis Castillo again on Friday.
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Here's where Mariners' top prospects will play to start 2025
With the Minor League season opening this week, here's where the Mariners’ Top 30 Prospects are projected to start: 1. Colt Emerson (MLB No. 19), SS/3B -- Everett (High-A) 2. Lazaro Montes (MLB No. 41), OF -- Everett (High-A) 3. Cole Young (MLB No. 48), SS/2B -- Tacoma (Triple-A) 4.