Red Sox promote top prospect Marcelo Mayer to High A Greenville - The Boston Globe

Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe

Top Red Sox prospect Marcelo Mayer promoted to Double A after blistering May - The Athletic

Marcelo Mayer, Red Sox top prospect, on goals for 2023

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Marcelo Mayer is not the only Sox prospect thriving in Portland

How did Red Sox top prospect Marcelo Mayer fare in first full pro season? – Blogging the Red Sox

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Marcelo Mayer: Breaking News, Rumors & Highlights

Red Sox top prospect Marcelo Mayer off to quick start with Low-A Salem – Blogging the Red Sox