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Marcelo Mayer: News, Stats, Bio, & More - NBC Sports - NBC Sports
Boston Red Sox promote prospect Marcelo Mayer to Double-A
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MARCELLO MAYER 2023 DONRUSS 123/394 RATED PROSPECT CAREER STAT
MLB Notes: Criticized at the time, Red Sox may have dodged some
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Marcelo Mayer autographed card sells for $132,000