2021 Draft prospects by state
Marcelo Mayer of Eastlake High taken fourth in MLB Draft - The San Diego Union-Tribune
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Preseason MaxPreps All-America high school baseball team
Marcelo Mayer Prospect Video, SS, Eastlake High School Class of 2021
Red Sox prospect guide: Marcelo Mayer
Eastlake's Marcelo Mayer: The Six Million Dollar Man
2021 MLB Draft - Top 600 Prospects — Prospects Live
Red Sox prospect guide: Marcelo Mayer
Titan baseball team is back on top of section rankings
2021 MLB Mock Draft 3.0 — Prospects Live
Marcelo Mayer Prospect Video, SS, Eastlake High School Class of 2021
Eastlake senior Mayer looks to be among top MLB picks
2023 St. Paul Saints Media Guide by stpaulsaints - Issuu
2021 Bowman Draft Baseball - Top Picks