Coveted prep shortstop Marcelo Mayer a two-way star atop Detroit

2021 MLB Mock Draft 4.0 — Prospects Live

Coveted prep shortstop Marcelo Mayer a two-way star atop Detroit Tigers' wish list

2021 MLB Draft profile: SS Marcelo Mayer is the Tigers' top target - Bless You Boys

THE FINAL MLB MOCK DRAFT 4.0

Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win

How Marcelo Mayer became a scouting impossible dream come true - The Boston Globe

Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win

Marcelo Mayer drafted No. 4 by Red Sox in MLB Draft

2023 MLB Draft: The Top 500 Prospects - Future Stars Series

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

The Complete Prospects Compendium (Part 1), by Tieran Alexander

2021 MLB draft prospect rankings: Vanderbilt's Jack Leiter, Kumar Rocker top Keith Law's list - The Athletic

Top 60 MLB prospects: Keith Law's updated rankings following the Juan Soto trade - The Athletic

2021 MLB Mock Draft - V 6.0 — Prospects Live

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