Red Sox promoting No. 1 prospect Marcelo Mayer to Double-A

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Red Sox Prospect Marcelo Mayer Ruled Out For Remainder Of 2023

Boston Red Sox promote prospect Marcelo Mayer to Double-A

Red Sox prospect Marcelo Mayer won't play again this season - The Boston Globe

Boston Red Sox top prospects 2023: Marcelo Mayer leads list

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Boston Red Sox Insider Discusses Marcelo Mayer's Major League Timeline - Fastball

Boston Red Sox Top Prospects

Marcelo Mayer tops Baseball America's Red Sox prospect rankings for 2022