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Josh Simpson officially joins the Seattle Mariners after a trade with Miami, bringing both potential and risk to the bullpen. The lefty reliever has impressive strikeout numbers but recorded a concerning 5.27 ERA last season. His performance could be instrumental in bolstering a Mariners bullpen that, despite Andrés Muñoz's elite status, struggled with depth at times in 2025. Simpson's acquisition reflects the front office's commitment to strengthening the roster but raises eyebrows given the red flags surrounding his consistency. The Mariners will need to manage his development carefully to avoid repeating past mistakes with high-risk players.

Meanwhile, all eyes are on Colt Emerson, the Mariners’ No. 1 prospect, who has impressed in early camp sessions. At just 19, Emerson is already generating buzz not only for his offensive capabilities but also for his versatility. Depending on how he performs in spring training, the Mariners could find themselves with a significant decision regarding his placement in the lineup. Will he push for a spot on the Major League roster, or will the organization ease him into professional ball?

With full-squad workouts kicking off, several players are eager to prove their worth. Ryan Bliss, who was expected to be the Opening Day second baseman last year, now finds himself buried on the depth chart. He’ll need to deliver standout performances to reclaim a significant role in a crowded infield. As Spring Training progresses, the competition is fierce, and this could shape the Mariners' roster significantly ahead of the 2026 season.

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Mariners acquire lefty reliever Josh Simpson from Miami
Lookout Landing
Mariners acquire lefty reliever Josh Simpson from Miami
Three days ago, ESPN published a tongue-in-cheek article called “Why Your Team Didn’t Do What You Wanted This Winter.” In a spectrum that ran Dodgers-to-Rockies, the Mariners were thankfully much closer to the Dodgers side of things, but Bradford Doolittle, the author, did question why the Mariners didn’t get another lefty bullpen arm to help […]
 Ryan Bliss, the mountain holds the cards
Lookout Landing
Ryan Bliss, the mountain holds the cards
Embarrassing confession time: I unabashedly love the Olympic Games. In my defense, it’s in my DNA: I was born during the Lake Placid Olympics, a week before the Miracle On Ice. Wait, let me make this even more embarrassing: I love the Olympics largely because I was a kid in Seattle for the 1990 Goodwill […]
 Where could No. 1 prospect Emerson play in Mariners' camp?
MLB.com
Where could No. 1 prospect Emerson play in Mariners' camp?
PEORIA, Ariz. -- Colt Emerson might want to consider packing carry-on only at this point. The Mariners’ No. 1 prospect and MLB Pipeline’s No. 9 overall was in an endless apartment loop last year -- at Spring Training in Arizona, High-A Everett, Double-A Arkansas and Triple-A Tacoma to finish the
 Players with the most to prove for each team this spring
MLB.com
Players with the most to prove for each team this spring
Full-squad workouts in Spring Training have begun, and there will be several players looking to prove themselves after injuries, underperformance or other factors put them in a more precarious position than they'd like to be entering the 2026 season.
 Mariners' Opening Day 2B from 2025 is now buried deep in 2026 roster
Sodomojo
Mariners' Opening Day 2B from 2025 is now buried deep in 2026 roster
Ryan Bliss deserves another opportunity to show just what he can do at the Major League level, but it might not come in Seattle with the Mariners.
 Mariners have their work cut out for them with new LHP covered in red flags
Sodomojo
Mariners have their work cut out for them with new LHP covered in red flags
The Mariners acquired Josh Simpson in a trade with the Marlins on Monday. He comes with real talent, but also plenty of flaws.
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