• Full name Marcelo Mayer
  • Born 12/12/2002 in Chula Vista, CA
  • Profile Ht.: 6'2" / Wt.: 188 / Bats: L / Throws: R
  • School Eastlake
  • Drafted in the 1st round (4th overall) by the Boston Red Sox in 2021 (signed for $6,664,000).
    View Draft Report
    Mayer is the next big prospect to come out of a powerhouse Eastlake (Calif.) High program that produced Adrian Gonzalez, 2019 first-round pick Keoni Cavaco and 2020 second-rounder Casey Schmitt (by way of San Diego State). Mayer started getting attention from scouts at Eastlake as a freshman, where he showed a smooth lefthanded swing and advanced defensive actions up the middle. He capped his four-year varsity career by hitting .410 with 13 home runs in the regular season this spring while playing excellent high school competition in San Diego County’s top division. Mayer is arguably the top defensive shortstop in a class that is deep at the position. He glides around the infield with silky smooth actions and has the hands, footwork and arm strength to stick at shortstop long term. He slows the game down and has no problem throwing from multiple angles with an accurate arm. Though he is a below-average runner, he moves fluidly around the dirt and should be at least an above-average defender. The 6-foot-3, 185-pound Mayer also has upside offensively. He’s a plus hitter with excellent barrel control and extension in his swing and drives balls hard in the air from gap-to-gap. He can turn on good fastballs and drive them off the right-field fence or let pitches on the outer half travel deep and line them hard up the middle or the opposite way. He has fringe-average power now, but could tap into above-average power in the future as he fills out his projectable frame. He controls the strike zone and has a calm, steady presence in the batter’s box. Mayer is committed to Southern California, but as a surefire top-five pick, it’s unlikely he ever steps foot on campus. He has a chance to be taken with the top pick and join Gonzalez, who was selected first overall in 2000, in making Eastlake the only high school to ever have two players drafted No. 1 overall.

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Organization Prospect Rankings

Draft Prospects

Minor League Top Prospects

Top 100 Rankings

Scouting Reports

Career Transactions

  • Portland Sea Dogs placed SS Marcelo Mayer on the 7-day injured list retroactive to August 3, 2023.
  • Portland Sea Dogs activated SS Marcelo Mayer.
  • Portland Sea Dogs placed SS Marcelo Mayer on the temporarily inactive list.
  • SS Marcelo Mayer assigned to Portland Sea Dogs from Greenville Drive.
  • SS Marcelo Mayer assigned to Portland Sea Dogs from Greenville Drive.
  • SS Marcelo Mayer roster status changed by Boston Red Sox.
  • SS Marcelo Mayer roster status changed by Boston Red Sox.
  • SS Marcelo Mayer assigned to Boston Red Sox.

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