Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Teammates Marcelo Mayer, Brainer Bonaci headline All-Red Sox Minor League Team for July - The Athletic
Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston
Red Sox's Top Prospect Marcelo Mayer Promoted To High-A Greenville
Boston Red Sox promote prospect Marcelo Mayer to Double-A
MLB Injury Status - 2023 Season - ESPN
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
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe