Marcelo Mayer among five Red Sox prospects on Baseball America top
Boston Red Sox have 4 prospects among Baseball America's top 100 prospects; Marcelo Mayer (No. 15), Triston Casas (No. 19) lead group
Red Sox top prospect Marcelo Mayer off to quick start with Low-A Salem – Blogging the Red Sox
Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
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Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
Baseball America updating their Top 100 = Jackson Holliday, Top Ten Prospect
Marcelo Mayer leads four Red Sox on Baseball America's Top 100 prospects for 2022
Boston Red Sox Top Prospects
Marcelo Mayer takes over top spot in Baseball America's latest Red Sox prospect rankings – Blogging the Red Sox
Where Red Sox prospects rank in recent top prospect lists