Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade. Catch him while you can. – The Portland Phoenix
Red Sox Prospect Marcelo Mayer Fitting In Since Portland Promotion
Red Sox prospects besides Marcelo Mayer impressing in Portland
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
MORE
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
Red Sox promote top prospect Marcelo Mayer to Sea Dogs
Top Red Sox prospect Marcelo Mayer records first Double-A hits
Marcelo Mayer, Boston Red Sox 2021 first-round pick, walks three
Red Sox: Marcelo Mayer's prospect ranking shows he was the right
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Red Sox promote top prospect Marcelo Mayer to Sea Dogs
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as
Red Sox top prospect enjoying time in Portland