Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston

Boston Red Sox Top Fantasy Baseball Prospects 2023

Marcelo Mayer SMACKS a RBI Double!, Boston Red Sox Prospect

Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster

Red Sox promote top prospect Marcelo Mayer to Double-A

Reds promote top prospect

Red Sox Rumors: Top Prospect Marcelo Mayer Promoted To Double-A

Boston Red Sox promote prospect Marcelo Mayer to Double-A

Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe

Red Sox Top prospect Marcelo Mayer may get called-up to Boston

The 2023 Top 100 Midseason Prospects — Prospects Live

Marcelo Mayer is not the only Sox prospect thriving in Portland