Marcelo Mayer, Red Sox top prospect, is tearing up the minor leagues
Red Sox top prospect Marcelo Mayer has best game since High-A call-up
Red Sox Top prospect Marcelo Mayer may get called-up to Boston
San Diegans Marcelo Mayer, Spencer Jones focus on the present as
Marcelo Mayer of the Red Sox Joins the Prospect Pad — College
Top Red Sox prospect Marcelo Mayer promoted to Double A after
What Experts Are Saying About Red Sox Draft Pick Marcelo Mayer
Marcelo Mayer crushes homer, 06/16/2023
Boston Red Sox top prospects 2023: Marcelo Mayer leads list
Marcelo Mayer: News, Stats, Bio, & More - NBC Sports - NBC Sports