Dispatches from the back fields at Red Sox spring training: A closer look at Marcelo Mayer and Miguel Bleis - The Boston Globe
San Diegans Marcelo Mayer, Spencer Jones focus on the present as they head to MLB Futures Games - The San Diego Union-Tribune
Baseball America Prospect Report—August 27, 2021 — College Baseball, MLB Draft, Prospects - Baseball America
SoxProspects News: Notes from the Field: Marcelo Mayer, Blaze Jordan, Niko Kavadas and Nathan Hickey
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
Red Sox's Top Prospect Marcelo Mayer Promoted To High-A Greenville
Christopher Smith (@SmittyOnMLB). / X
Sea Dogs' Marcelo Mayer hits first Double-A homer
Marcelo Mayer, Red Sox top prospect, embracing his latest stop with Portland Sea Dogs