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● TRACKER Updated 3d ago · 20 sources tracked

Red Sox Place Marcelo Mayer On Injured List

The San Francisco Giants acquired 23-year-old shortstop Marcelo Mayer from the Boston Red Sox in a recent trade. Mayer previously spent time on the Red Sox 10-day injured list with a left forearm bone stress reaction. Giants manager Tony Vitello has responded to the acquisition, and the team views the move as a potential long-term solution for their infield. This transaction follows a period of significant roster turnover for Boston, which included the acquisition of Adley Rutschman in a major trade-deadline deal and a managerial change earlier this season.

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What changed

The San Francisco Giants have traded for Marcelo Mayer, moving him from the Boston Red Sox roster.

Live updates

  1. San Francisco Giants Trade for Shortstop Marcelo Mayer

    The San Francisco Giants acquired 23-year-old shortstop Marcelo Mayer from the Boston Red Sox in a recent trade. Mayer previously spent time on the Red Sox 10-day injured list with a left forearm bone stress reaction. Giants manager Tony Vitello has responded to the acquisition, and the team views the move as a potential long-term solution for their infield. This transaction follows a period of significant roster turnover for Boston, which included the acquisition of Adley Rutschman in a major trade-deadline deal and a managerial change earlier this season.

    Why it matters

    The Red Sox have undergone a leadership shift since April 25, when ownership replaced manager Alex Cora with Chad Tracy. General Manager Craig Breslow has aggressively reshaped the roster around the August 3 deadline. These moves aim to stabilize a team that started the season with a 10-17 record.

    What is confirmed

    • The San Francisco Giants traded with the Boston Red Sox for 23-year-old shortstop Marcelo Mayer.
    • The Red Sox fired manager Alex Cora on April 25 when the team was 10-17 and replaced him with Chad Tracy.

    Still unconfirmed

    • The Giants intend for one of their new acquisitions to be a long-term solution at second base.
    • Craig Breslow orchestrated one of the biggest trade-deadline deals in franchise history to acquire Adley Rutschman.

    What to watch next

    • Announcement of Marcelo Mayer's injury rehab assignment start date
    • Confirmation of the specific players traded from San Francisco to Boston in exchange for Mayer
    Sources used for this update (6)
    1. www.oneidadispatch.com — Bill Madden: Trying to make sense of this stunning Red Sox surge
    2. ca.sports.yahoo.com — Giants New Second Baseman Could Begin Injury Rehab Assignment Soon
    3. www.bostonglobe.com — How the Red Sox landed Adley Rutschman: Inside the warroom where Boston decided to go for it
    4. sports.yahoo.com — Marcelo Mayer Announced Status Update After San Francisco Giants Trade
    5. sports.yahoo.com — San Francisco Giants Manager Reacts to Team Trading for 23-Year-Old Shortstop
    6. sports.yahoo.com — Jakob Marsee: Miami Marlins' Defensive Gem or Offensive Liability
    confidence 90%

  2. Red Sox Place Marcelo Mayer On Injured List

    The Boston Red Sox have placed Marcelo Mayer on the 10-day injured list due to a left forearm bone stress reaction. Tsung-Che Cheng will take over as starting shortstop. This move coincides with the team's efforts to manage internal injuries and engage in external discussions involving top prospects and established players following the August 3 MLB trade deadline.

    Why it matters

    The Red Sox are dealing with roster instability due to injuries and are making adjustments as the trade deadline has passed. The team's management is focused on balancing internal roster management with external acquisitions and trades.

    What is confirmed

    • The Boston Red Sox have moved Marcelo Mayer to the 10-day injured list with a left forearm bone stress reaction.
    • The Red Sox acquired All-Star catcher Adley Rutschman from the Baltimore Orioles.
    • Rob Refsnyder, a longtime Boston Red Sox utility player, has been released by the Seattle Mariners.
    • The Red Sox have received high marks for their performance at the MLB trade deadline.

    Still unconfirmed

    • The Red Sox are engaged in external discussions involving top prospects and established players.

    What to watch next

    • The Red Sox's performance in the upcoming series against the White Sox
    • Further updates on the injuries of Curtis Mead and Marcelo Mayer
    • The impact of Adley Rutschman on the Red Sox roster and performance
    Sources used for this update (5)
    1. www.nytimes.com — MLB trade deadline grades for all 30 teams: Dodgers, Tigers, Red Sox earn high marks
    2. sports.yahoo.com — Seattle Mariners Announce Release of 4-Year Boston Red Sox Player
    3. heavy.com — Boston Red Sox Announce Roman Anthony, Garrett Crochet Update Before White Sox Series
    4. turnto10.com — Red Sox get All-Star catcher Adley Rutschman from AL East rival Orioles
    5. sports.yahoo.com — Red Sox trade deadline grades: Mixed reviews for Breslow's moves
    confidence 90%

  3. Red Sox Place Marcelo Mayer On Injured List

    The Boston Red Sox have placed Marcelo Mayer on the 10-day injured list due to a left forearm bone stress reaction. Tsung-Che Cheng will take over as starting shortstop. This move coincides with the team's engagement in external trade discussions. The Red Sox also received All-Star catcher Adley Rutschman from the Orioles before the trade deadline.

    Why it matters

    The Red Sox are managing internal injuries while making external roster moves. The team's chief baseball officer, Craig Breslow, made several bold moves at the MLB trade deadline. The roster instability and trades have received mixed reviews from experts.

    What is confirmed

    • The Boston Red Sox have placed Marcelo Mayer on the 10-day injured list with a left forearm bone stress reaction.
    • Tsung-Che Cheng takes over as starting shortstop.
    • The Red Sox received All-Star catcher Adley Rutschman from the Orioles.
    • Rob Refsnyder, a longtime Boston Red Sox utility player, has been released by the Seattle Mariners.

    What to watch next

    • The Red Sox's performance with their updated roster
    • The impact of Marcelo Mayer's injury on the team's short-term prospects
    • Further trades or roster moves by the Red Sox
    Sources used for this update (5)
    1. www.nytimes.com — MLB trade deadline grades for all 30 teams: Dodgers, Tigers, Red Sox earn high marks
    2. sports.yahoo.com — Seattle Mariners Announce Release of 4-Year Boston Red Sox Player
    3. heavy.com — Boston Red Sox Announce Roman Anthony, Garrett Crochet Update Before White Sox Series
    4. turnto10.com — Red Sox get All-Star catcher Adley Rutschman from AL East rival Orioles
    5. sports.yahoo.com — Red Sox trade deadline grades: Mixed reviews for Breslow's moves
    confidence 90%

  4. Red Sox Manage Shortstop Injuries Amid Trade Deadline Talks

    The Boston Red Sox have moved Marcelo Mayer to the 10-day injured list with a left forearm bone stress reaction. Tsung-Che Cheng takes over as starting shortstop while Curtis Mead also remains on the IL. This roster instability coincides with the August 3 MLB trade deadline. While the team manages internal injuries, they are engaged in external discussions involving top prospects and established players as the 6 p.m. Monday cutoff approaches.

    Why it matters

    Roster depth is critical as the Red Sox evaluate their position before the trade deadline. The team recently acquired Caleb Durbin in a trade that also brought in utility player Andruw Monasterio. These moves provide some flexibility as the front office navigates injuries to key infielders.

    Still unconfirmed

    • The Angels requested top prospect Franklin Arias during trade talks for Zach Neto
    • Andruw Monasterio was an afterthought in the Caleb Durbin trade

    What to watch next

    • The 6 p.m. Monday trade deadline results
    • Updates on Marcelo Mayer's recovery timeline
    Sources used for this update (4)
    1. abc7.com — 2026 MLB trade deadline preview: Passan's intel on every team
    2. sports.yahoo.com — Red Sox utility man Andruw Monasterio has quietly become one of baseball's hottest hitters
    3. www.bostonglobe.com — Will Tarik Skubal stay in Detroit or go? That’s the top storyline heading into Monday’s trade deadline.
    4. www.mlbtraderumors.com — Angels Have Sought Franklin Arias In Neto Talks With Red Sox
    confidence 90%

  5. Red Sox Place Marcelo Mayer On Injured List

    The Boston Red Sox have placed Marcelo Mayer on the 10-day injured list due to a bone stress reaction in his left forearm. Tsung-Che Cheng will replace him as the starting shortstop. The team is dealing with injuries as Curtis Mead is also on the IL.

    What's confirmed:

    • The Boston Red Sox have placed Marcelo Mayer on the 10-day injured list.
    • Mayer is sidelined with a bone stress reaction in his left forearm.
    • Tsung-Che Cheng will replace him as the starting shortstop.
    • Curtis Mead is on the IL and likely to avoid surgery.

    Still unconfirmed:

    • The Red Sox can still make blockbuster trades to become AL favorites.
    Sources used for this update (4)
    1. 5 blockbuster trades the Red Sox can still make to become AL favorites
    2. Toronto Blue Jays Announce 3 New Injury Decisions Before Nationals Series
    3. Boston Red Sox Announced Marcelo Mayer Update During Athletics Series
    4. Red Sox's Curtis Mead: On IL, likely to avoid surgery
    confidence 80%

  6. Red Sox Place Marcelo Mayer on 10-Day Injured List

    The Boston Red Sox have placed infielder Marcelo Mayer on the 10-day injured list. He is sidelined with a bone stress reaction in his left forearm. Tsung-Che Cheng will replace him as the starting shortstop.

    What's confirmed:

    • The Red Sox placed Marcelo Mayer on the 10-day injured list.
    • Mayer has a bone stress reaction in his left forearm.
    • Tsung-Che Cheng is making his Red Sox debut as the starting shortstop against the Yankees.
    Sources used for this update (14)
    1. Red Sox Place Marcelo Mayer On Injured List
    2. Red Sox place infielder Marcelo Mayer on IL with forearm injury
    3. Mayer placed on IL with bone stress reaction in left forearm
    4. New Red Sox shortstop will debut Friday night vs. Yankees (lineups)
    5. Red Sox place Marcelo Mayer on injured list with stress reaction in his forearm
    6. 5-Foot-8 Tsung-Che Cheng Makes Red Sox Debut Starting Shortstop vs Yankees
    7. Boston Red Sox Rookie Shortstop Lands on Injured List
    8. World Cup injury tracker: Neymar, Mohamed Salah and Reece James updates
    9. Red Sox place Marcelo Mayer on IL with forearm injury
    10. Red Sox place infielder Marcelo Mayer on IL with forearm injury
    11. Red Sox place Marcelo Mayer on 10-day IL with forearm issue
    12. Red Sox place Marcelo Mayer on 10-day injured list
    confidence 100%