Marcelo Mayer, the Red Sox' top prospect, already looks destined
Top Red Sox prospect Marcelo Mayer promoted to Double A after
Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland
Red Sox Prospect Marcelo Mayer Fitting In Since Portland Promotion
Red Sox top prospect enjoying time in Portland
Red Sox Top Prospect Confident Teammates Can Rise To Next Level
Marcelo Mayer, Red Sox top prospect, on goals for 2023
Marcelo Mayer ready for next step at Red Sox camp
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100
A cluster of talent at Double A Portland bodes well for the Red
Red Sox prospects besides Marcelo Mayer impressing in Portland