Marcelo Mayer is killing it in the minors! : r/redsox
Red Sox prospect Marcelo Mayer out for rest of 2023
Red Sox's Top Prospect Marcelo Mayer Promoted To High-A Greenville
Red Sox prospect guide: Marcelo Mayer
Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland
Marcelo Mayer 2021 Bowman Draft Chrome DP Auto - Refractor #CDA-MM Price Guide - Sports Card Investor
Red Sox top prospect Marcelo Mayer out with right wrist soreness - The Boston Globe
Marcelo Mayer 2022 Bowman's Best Boston Red Sox Top Prospects #TP-8
Marcelo Mayer leads four Red Sox on Baseball America's Top 100 prospects for 2022
Marcelo Mayer of Eastlake High taken fourth in MLB Draft - The San Diego Union-Tribune
Prospect Spotlight: Marcelo Mayer, SS, Boston Red Sox - The Dynasty Guru
Milliken] Marcelo Mayer (SS), Nick Yorke (2B), and Chase Meidroth (3B) were all voted the best defenders at their position by league managers. Considering the defensive struggles the Red Sox have gone