Mariners’ Offseason Strategy: Confidence in the Core or Risking Complacency?

An Additional Breakdown from Keep It Electric Podcast

The Mariners had plenty of opportunities to make major roster moves this offseason but opted for a more conservative approach, retaining key players rather than making significant changes. One of the most telling decisions was bringing back Jorge Polanco, despite an inconsistent 2024 season.

This strategy signals a clear philosophy from the front office: belief in the existing core over major shake-ups. But with the latest 26-man roster projection from Ryan Divish now out, it’s worth examining whether this approach strengthens the team—or leaves them vulnerable in key areas.

One area where the Mariners made the right call was their starting rotation. Returning what was arguably the best pitching staff in baseball last season ensures that Seattle will have a competitive advantage in nearly every series.

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Keeping this group together was a logical decision, as a strong rotation is a key component of any playoff-contending team. Few American League clubs can match the depth and reliability of Seattle’s starters, making this one of the team’s biggest strengths heading into the new season.

While the rotation is a clear strength, the infield presents some uncertainty. The Mariners are not just banking on a bounce-back season from Jorge Polanco, but also asking Luke Raley to take on an expanded role at a position where he has limited experience.

Raley has shown promise at the plate, but his defensive transition could be a challenge. If these defensive shifts don’t go smoothly, there’s a real possibility that both players’ offensive production could be impacted.

Polanco, in particular, carries some risk. While his track record suggests he can be a productive hitter, the question remains whether he can handle an everyday role at second base without defensive struggles affecting his overall performance.

Outfield and Catching Appear Set, but Depth Raises Questions

Seattle’s starting outfield of Julio Rodríguez, Victor Robles, and Randy Arozarena appears solid, with no unexpected changes in the projected lineup. The same stability applies behind the plate, where the Mariners have committed to their current catching options.

However, the bench depth remains a concern. Players like Donovan Solano, Miles Mastrobuoni, Mitch Garver, and Mitch Haniger offer versatility, but it’s unclear if they significantly improve the overall lineup. The front office appears comfortable with these pieces, but whether they provide enough support over a 162-game season is up for debate.

Bullpen Moves Raise Eyebrows

Perhaps the most surprising takeaway from the roster projection is the bullpen composition. Despite an emphasis on adding relief depth during the offseason, the Opening Day bullpen is projected to include only returning Mariners:

  • Andrés Muñoz

  • Gregory Santos

  • Collin Snider

  • Eduard Bazardo

  • Trent Thornton

  • Cody Bolton

  • Tayler Saucedo

  • Gabe Speier

This means that offseason bullpen additions such as Hagan Danner, Will Klein, and Shintaro Fujinami may not make the Opening Day roster.

Given how the Mariners had to rely on frequent bullpen adjustments last season, it’s a curious decision. If the current group struggles, Seattle could once again find itself cycling through arms in search of reliable late-inning options.

Is This Strategy Confidence or Complacency?

The Mariners’ offseason approach reflects a strong belief in their current roster, prioritizing internal improvement over outside acquisitions. The rotation remains a clear strength, but questions persist in the infield, bullpen, and depth pieces.

This strategy could pay off if players like Polanco and Raley thrive in expanded roles. However, if these calculated risks don’t pan out, the front office may face criticism for not making more aggressive moves to improve the roster.

Ultimately, this season will determine whether the Mariners’ approach was a show of confidence in their core—or a missed opportunity to build a stronger contender.

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