First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway
Trevor Story: Marcelo Mayer, other Red Sox top prospect have similar swing
Marcelo Mayer is not the only Sox prospect thriving in Portland
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as soon as possible' - The Boston Globe
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Red Sox first-round pick Mikey Romero is 'best friends' with Marcelo Mayer: 'May the best man win,' he says about who will play shortstop
Farm Report: Top prospect promotions couldn't reverse Red Sox's August skid
Boston Red Sox officially sign No. 4 overall pick Marcelo Mayer for $6.64M; shortstop took BP, did infield drills with big-league team Thursday
Red Sox officially sign first round draft pick Marcelo Mayer
Boston Red Sox minor league players - Wikipedia
First look at Marcelo Mayer at Fenway Park
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
Marcelo Mayer, No. 4 Draft pick, signs with Red Sox