Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a

Red Sox top prospect Marcelo Mayer takes liftoff amid struggles

Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade. Catch him while you can. – The Portland Phoenix

Red Sox Notes: Marcelo Mayer to make his Portland Sea Dogs debut, former teammate speaks about his leadership, more system promotions

Marcelo Mayer crushes a pair of homers

Marcelo Mayer's RBI double, 07/01/2023

Marcelo Mayer (SS), Top Prospects for the Boston Red Sox Has Just Been Promoted From High A to Double A : r/baseball

Red Sox top prospect Marcelo Mayer homers in back to back games in Portland, Bangor Local Sports

Red Sox prospect Marcelo Mayer off to impressive start for Greenville Drive

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

Marcelo Mayer Reflects On Red Sox Spring Training Experience

Red Sox to promote top prospect Marcelo Mayer to Double-A Portland on Tuesday

MLB Notebook: Miguel Bleis injury, WooSox' Shane Drohan learning Triple-A hitters, Marcelo Mayer settling into Double-A

Top Red Sox prospect blasts homer in three-hit, three-RBI game for Portland

Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster