Mayer (back) has started baseball activities, Jen McCaffrey of The Athletic reports.
Mayer, who missed the final month of last season with a lumbar strain, is progressing well and slated to be a full-go for spring training. He had been the organization's top prospect before Roman Anthony's monster season in 2024. The Red Sox, who were involved in and lost out in the Juan Soto hunt, are looking to upgrade the roster at the MLB level. That means potentially parting with one of their big four prospects, which includes Mayer, Anthony, Kristian Campbell (lat) and Kyle Teel. If still with the team next spring, Mayer is expected to open 2025 at Triple-A Worcester.
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Red Sox's Marcelo Mayer: Goes back on Triple-A IL
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Triple-A Worcester will place Mayer (hip) on the 7-day injured list Tuesday, Alex Speier of The Boston Globe reports.
Mayer first suffered a hip/glute injury in late July while playing at Double-A Portland, and despite getting promoted to Worcester more than a week ago, he has yet to be cleared for his Triple-A debut. Before getting the call to Worcester, Mayer slashed .307/.370/.480 with eight home runs and 13 steals in 77 games at Portland.
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Red Sox's Marcelo Mayer: Back in lineup Friday
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Mayer (back) is starting at shortstop and batting second in Friday's game for Double-A New Hampshire, Alex Speier of The Boston Globe reports.
Mayer returns to the lineup Friday after missing four games due to back discomfort. The 21-year-old prospect is slashing .307/.371/.479 with 25 doubles, 13 stolen bases, seven home runs and 36 RBI over 299 plate appearances in Double-A this season.
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Red Sox's Marcelo Mayer: Nursing back issue
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Mayer was scratched from Monday's game against Double-A New Hampshire due to back tightness, Alex Speier of The Boston Globe reports.
Mayer felt tightness in his back during batting practice, however, the issue doesn't sound serious. Speier notes that Mayer is expected back in the starting nine for Tuesday's clash.
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Red Sox's Marcelo Mayer: Raking in Double-A
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Mayer has hit safely in the first seven games for Double-A Portland. He's slashing .357/.387/.500 with one home run, five RBI, two steals and seven runs scored.
Mayer is healthy after a 2023 season ended early due to a shoulder injury that he said he was feeling long before he was shut down in August. It's reasonably expected that the highly regarded prospect will make his MLB debut in 2025, but this season may not be out of the question. Given the season-ending injury to Trevor Story (shoulder), it's not hard to envision Mayer getting the call later in 2024.
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Red Sox's Marcelo Mayer: Shoulder no longer an issue
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Mayer said Wednesday that he's now "ready to go" after his 2023 season ended due to a left shoulder injury, Gabrielle Starr of the Boston Herald reports.
Mayer wound up missing the last month of the minor-league season due to left shoulder inflammation, an injury which he admitted Wednesday had been bothering him for a while before he was shut down. It could be at least partly to blame for why the 21-year-old slashed just .189/.254/.355 following a midseason promotion to Double-A Portland. Mayer is likely headed back to Portland to start 2024 as he looks to regain his prospect momentum.
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Red Sox's Marcelo Mayer: Shut down with shoulder injury
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Mayer (shoulder) has been shut down for the remainder of the season at Double-A Portland, Ian Browne of MLB.com reports.
Mayer has missed the last month of action with left shoulder inflammation. Red Sox director of player development Brian Abraham said of Mayer on Wednesday that the team is "very pleased with the progress he has made so far," but the goal at this point is the "strengthening of his shoulder, so he can have a full, normal offseason." Mayer batted .290/.366/.524 for High-A Greenville but slashed just .189/.254/.355 following a midseason promotion to Portland. It was an aggressive assignment given that he won't turn 21 until December. The young shortstop is one of the organization's top prospects.
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Red Sox's Marcelo Mayer: Heading to Double-A
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Mayer was promoted to Double-A Portland on Sunday, Chris Cotillo of The Springfield Republican reports.
Mayer was on a tear at High-A Greenville to begin the 2023 campaign, slashing .291/.365/.532 with seven home runs, 33 RBI, 23 runs and four steals over 34 games. Boston's top prospect will now have a chance to prove himself at the Double-A level.
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Red Sox's Marcelo Mayer: Gets timing down
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Mayer went 3-for-5 with a home run and four RBI in Saturday's game for High-A Greenville.
Mayer had scuffled out of the gate with just two hits over his first 20 at-bats before breaking out Saturday. He told Brendan Samson of MLB.com that he'd been late on swings early in the season but got his timing down Saturday. "I just made sure today that I got my foot down early, started a little earlier and got a good pitch to hit and I was able to do that today," Mayer said. The 20-year-old shortstop prospect slashed .280/.399/.489 with 13 home runs and 17 steals over 91 combined games between Single-A Salem and Greenville in 2022.
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Red Sox's Marcelo Mayer: Headed to High-A
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Red Sox farm director Brian Abraham confirmed Monday that Mayer has been promoted from Single-A Salem to High-A Greenville, Alex Speier of The Boston Globe reports.
Boston will be moving two of its top selections from the 2020 and 2021 draft classes to Greenville, as power-hitting third baseman Blaze Jordan will also be making the jump from Salem. Mayer, a 19-year-old shortstop who was the No. 4 overall selection in 2021, received the promotion after slashing .286/.406/.504 with nine home runs and 16 stolen bases to go with a 16.8 percent walk rate across 308 plate appearances for Salem.
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Red Sox's Marcelo Mayer: Placed on injured list
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Mayer (wrist) was placed on the 7-day minor-league injured list Sunday, Alex Speier of The Boston Globe reports.
Mayer dealt with a wrist injury for several weeks in late April and early May, but he recently returned to the field and went 6-for-18 with four doubles, three RBI and a stolen base. The 19-year-old's injury hasn't increased in severity, but he'll land on the IL and undergo further testing since the issue hasn't gone away. It's not yet clear when Mayer will be able to return to game action.
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Red Sox's Marcelo Mayer: Returns with three doubles
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Mayer (wrist) started at shortstop and went 3-for-6 with three doubles and two RBI on Sunday in Single-A Salem's 8-7 loss to Delmarva.
Mayer missed approximately two-and-a-half weeks when his sore right wrist first cropped up in late April, but his latest aggravation of the injury didn't cause nearly as long of an absence. He was out of the lineup for four days before returning to action Sunday and providing a season-high three extra-base hits. Assuming he experienced no setbacks coming out of Sunday's contest, Mayer should be capable of handling an everyday role at Salem moving forward.
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Red Sox's Marcelo Mayer: Gets brief spring taste of majors
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Mayer picked up five plate appearances for the Red Sox this spring, going 0-for-4 with a walk and two strikeouts.
He's 19 and has never played above rookie ball, so no one expected Mayer to put up numbers in spring training. Last year's No. 4 overall draft pick, he's expected to open 2022 in Low-A, and it'll be worth watching to see whether he can maintain last season's impressive walk rate (14 percent) while getting to his power more often in game action.
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Red Sox's Marcelo Mayer: Swats first pro homer
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Mayer went 2-for-6 with a home run, four RBI and an additional run scored for the Florida Complex League Red Sox on Saturday.
Mayer, Boston's first-round pick in the 2021 draft, launched his first professional home run, a three-run job. The shortstop is batting .214/.313/.357 with one home run, one double, five RBI and five runs over seven games in the FCL.
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Red Sox's Marcelo Mayer: Kicks off pro career
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Mayer went 0-for-1 with three walks for the FCL Red Sox on Thursday.
Mayer made his professional debut in the Florida Complex League with walks in his first three plate appearances before a groundout in his final at-bat. Mayer is Boston's first-round pick (third overall) in the 2021 draft. The left-handed hitting shortstop belted 14 home runs and batted .392 (38-for-97) in 34 games during his final year with Eastlake High School in California.
