Marcelo Mayer: Breaking News, Rumors & Highlights
Red Sox promote top prospect Marcelo Mayer to Portland Sea Dogs
Red Sox prospect Marcelo Mayer off to impressive start for Greenville Drive
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
Marcelo Mayer is killing it in the minors! : r/redsox
Boston Red Sox Promoting Top Prospect to Next Level - Fastball
Red Sox: Marcelo Mayer's prospect ranking shows he was the right draft choice
Top Red Sox prospect and fastest rising prospect both homer for Portland
Red Sox Prospect Report: Marcelo Mayer Showing More Power
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
Here's where MLB ranks the top Red Sox prospects
Greg Levinsky on LinkedIn: Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade.…
Marcelo Mayer continues climb in MLB's Top 100 prospect rankings
Red Sox Prospect Marcelo Mayer Has a Simple Approach and a High Ceiling
Marcelo Mayer breaks out for Portland