Red Sox top prospect Marcelo Mayer has arrived in Portland
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game
Ultimate Red Sox Show: Marcelo Mayer Debuts For Sea Dogs
Marcelo Mayer, Red Sox top prospect, on goals for 2023
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Sea Dogs prospect Mayer, 20, focused on pitch selection -- and
A cluster of talent at Double A Portland bodes well for the Red
Sea Dogs' Marcelo Mayer hits first Double-A homer
Marcelo Mayer: Breaking News, Rumors & Highlights
Red Sox prospects perform well, show off custom cleats at Futures Game
The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived
Red Sox top prospect enjoying time in Portland
Marcelo Mayer records first hits for Double-A Portland
Marcelo Mayer ready for next step at Red Sox camp