What Marcelo Mayer's promotion means for shortstop's future

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Red Sox officially sign first round draft pick Marcelo Mayer

Marcelo Mayer (SS), Top Prospects for the Boston Red Sox Has Just Been Promoted From High A to Double A : r/baseball

Red Sox top prospect Marcelo Mayer dealing with minor right wrist soreness; shortstop has not played since April 23 – Blogging the Red Sox

Red Sox promote top prospect Marcelo Mayer to Double-A

As Red Sox shut down Marcelo Mayer, rival prospects take off – NBC Sports Boston

How Red Sox prospect Marcelo Mayer made it to All-Star Futures Game

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2 of the Red Sox' top prospects have been promoted to the next level

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What Marcelo Mayer's promotion means for shortstop's future

2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing

Jordan Lawlar? Marcelo Mayer? Making sense of the Pirates drafting a high-school shortstop with the No. 1 pick - The Athletic