Red Sox Scramble to Fill Infield Gaps After Mayer Injury, Contreras Trade

With Bregman's departure and Mayer's health concerns, Boston's second and third base spots remain unsettled.

Jan. 31, 2026 at 12:07pm

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The Boston Red Sox are facing a major roster crunch in their infield heading into the 2026 season. The team's top prospect, Marcelo Mayer, is dealing with a concerning health issue that has left his future uncertain. Meanwhile, the Red Sox traded for Willson Contreras, but that move has only shifted the team's infield problems rather than solving them.

Why it matters

The Red Sox are a perennial contender in the AL East, but their infield issues could seriously hamper their chances of making a deep playoff run if they can't find reliable solutions at second and third base. Mayer's health status is a particular concern, as he was expected to be a cornerstone of the franchise for years to come.

The details

With Alex Bregman departing in free agency, the Red Sox had hoped Mayer would step in and solidify the infield. However, the team has revealed that the 22-year-old is dealing with an undisclosed health condition that could jeopardize his availability for the upcoming season. To address the void, Boston traded for veteran catcher Willson Contreras, but that has only shifted the problem, as Contreras is expected to play primarily at third base rather than his natural position behind the plate.

  • Marcelo Mayer's health issue was revealed in late January 2026.
  • Alex Bregman left the Red Sox via free agency earlier this offseason.

The players

Marcelo Mayer

The Red Sox's top prospect, a 22-year-old infielder, is dealing with a concerning health condition that could impact his availability for the 2026 season.

Willson Contreras

A veteran catcher acquired by the Red Sox in a trade, who is expected to play primarily at third base rather than his natural position behind the plate.

Alex Bregman

A former Red Sox infielder who departed the team in free agency earlier this offseason.

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What they’re saying

“We're still gathering information on Marcelo's situation, but it's clear this is a significant concern that we need to address head-on.”

— Chaim Bloom, Red Sox Chief Baseball Officer (wn.com)

What’s next

The Red Sox will need to closely monitor Mayer's health status and determine if he will be available for the start of the 2026 season. In the meantime, the team will have to explore trade and free agent options to fill the holes at second and third base.

The takeaway

The Red Sox's infield issues highlight the importance of depth and contingency planning in building a championship-caliber roster. The team's inability to replace key contributors like Bregman and the uncertainty surrounding Mayer's health could jeopardize their playoff aspirations if they can't find reliable solutions in the coming months.