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Red Sox prospects Marcelo Mayer, Miguel Bleis impress in spring training
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Red Sox sign No. 4 MLB Draft pick Marcelo Mayer as shortstop reportedly gets $6.6 million bonus
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On the Clock with the 4th Pick Boston Red Sox 2021 MLB Draft
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How Red Sox top prospects fared during the 2023 MLB Futures Game
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Marcelo Mayer - Wikipedia
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MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
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Marcelo Mayer wasn't supposed to be there for the Red Sox at No. 4, but the MLB Draft had other plans - The Boston Globe
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Top Red Sox prospect Marcelo Mayer promoted to Double A after blistering May - The Athletic
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Red Sox place top prospect Marcelo Mayer on injured list - The Boston Globe
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Top Red Sox pick Marcelo Mayer expected to make his pro debut Thursday - The Boston Globe