2023 Preseason Red Sox prospect rankings - by G.G.
SoxProspects News: Minor Notes: Mayer earns promotion to Portland
Boston Red Sox sign first round pick Marcelo Mayer to slot deal - Over the Monster
2022 Red Sox Minor League Superlatives
Red Sox shut down top prospect Marcelo Mayer due to shoulder injury – NBC Sports Boston
Minor Lines 5/31/23: Marcelo Mayer Not So Good In Portland Debut - Over the Monster
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Red Sox shut down top prospect Marcelo Mayer due to shoulder injury – NBC Sports Boston
Boston Red Sox prospect watch: Marcelo Mayer erupts
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Boston Red Sox minor league players - Wikipedia
Red Sox Prospect Marcelo Mayer Ruled Out For Remainder Of 2023