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MLB offseason tracker: Blue Jays add Chad Green to bullpen MLB - Bally Sports
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Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
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2023 Futures Game Box Score — College Baseball, MLB Draft, Prospects - Baseball America
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farm system – Blogging the Red Sox
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MLB offseason tracker: Blue Jays add Chad Green to bullpen MLB - Bally Sports
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Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
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Marcelo Mayer - Wikipedia
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Top 400 MLB Prospect Rankings Update
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Kiley McDaniel's 2023 midseason top 50 MLB prospects - ESPN
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SoxProspects News: Minor Notes: Mayer & Jordan promoted and Bleis wins first POTW
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American League, Major League Baseball, News, Scores, Highlights, Stats, and Rumors
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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