Red Sox top prospect Marcelo Mayer off to quick start with Low-A Salem – Blogging the Red Sox
Red Sox notebook: Tommy Pham at leadoff, Matt Barnes returns, Marcelo Mayer promoted - The Athletic
Here's where MLB ranks the top Red Sox prospects
Triston Casas, Marcelo Mayer lead Boston Red Sox 2022 top 15 prospect list; Nick Yorke ranks No. 3
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Red Sox promote top prospect Marcelo Mayer to Sea Dogs
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Marcelo Mayer, the Red Sox' top prospect, already looks destined for the big leagues - The Boston Globe
Boston Red Sox prospect watch: Marcelo Mayer erupts : r/redsox
Red Sox farm system at No. 5 in Baseball America's latest rankings
Marcelo Mayer: 'Main goal is to win a World Series with the Red Sox
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