Red Sox prospect guide: Marcelo Mayer
Red Sox draft top shortstop prospect Marcelo Mayer at No. 4
Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston
Marcelo Mayer 2021 Bowman Draft Chrome DP Auto - Refractor #CDA-MM Price Guide - Sports Card Investor
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Yankees' Anthony Volpe, Red Sox' Marcelo Mayer headline 2023 MLB top SS prospects
Video: Marcelo Mayer on adjusting in Minors
Marcelo Mayer's two-hit game, 05/19/2023
Marcelo Mayer leads four Red Sox on Baseball America's Top 100 prospects for 2022
Red Sox prospect Marcelo Mayer out for rest of 2023
who is Ceddanne Rafaela: Who is Ceddanne Rafaela? Everything you need to know about Red Sox prospect making MLB debut vs Astros
Red Sox Top prospect Marcelo Mayer may get called-up to Boston
Boston Red Sox Top 30 Prospects For Dynasty - FantraxHQ
Red Sox promote top prospect Marcelo Mayer to Portland Sea Dogs
2021 MLB Draft Picks: Live Team-by-Team Grades and Analysis, News, Scores, Highlights, Stats, and Rumors
MLB Draft 2021: Marcelo Mayer is a potential pick for the Boston Red Sox - Over the Monster