Mayer, Leiter, Rocker among top prospects for MLB draft
5 things to know about Red Sox shortstop Marcelo Mayer
2021 MLB Draft top high school prospects
Pirates 2021 MLB Draft preview: As rebuild rolls on, will it be Marcelo Mayer, Jordan Lawlar or Jack Leiter at No. 1? - The Athletic
Marcelo Mayer continues legacy of great Eastlake High baseball players - The San Diego Union-Tribune
Red Sox top prospect Marcelo Mayer off to quick start with Low-A Salem – Blogging the Red Sox
B/R's 2021 MLB Mock Draft 3.0 for Every 1st-Round Pick, News, Scores, Highlights, Stats, and Rumors
Mayer, Leiter, Rocker among top prospects for MLB draft – Saratogian
2021 SB Nation MLB Mock Draft: Marlins select Harry Ford in first round - Fish Stripes
2021 MLB Draft Picks: Live Team-by-Team Grades and Analysis, News, Scores, Highlights, Stats, and Rumors
Highlights: Eastlake shortstop/Boston Red Sox fourth overall pick Marcelo Mayer