Mayer, Yoshida headline 5 Red Sox prospects on BA's top 100 list
Top Four High School Shortstops Could Make MLB Draft History In 2021 — College Baseball, MLB Draft, Prospects - Baseball America
Top 10 Most Valuable: 2021 Bowman Draft Baseball – Sports Card Investor
MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
2021 MLB draft profile: The Tigers are consistently linked to prep RHP Jackson Jobe - Bless You Boys
2021 MLB Draft Big Board, Updated: Keith Law ranks the Top 101 draft prospects - The Athletic
Why Tigers Passed On Marcelo Mayer At No. 3 In 2021 MLB Draft
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100 Prospects list – NBC Sports Boston
The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived
Red Sox prospect Marcelo Mayer collects first multihomer game