Sea Dogs prospect Mayer, 20, focused on pitch selection -- and

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Red Sox promote top prospect Marcelo Mayer to Sea Dogs

Sea Dogs prospect Mayer, 20, focused on pitch selection -- and

Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea

Sea Dogs prospect Mayer, 20, focused on pitch selection -- and

Sea Dogs announce 2023 team award winners

Top Sea Dogs prospects learn from recent experiences

Sea Dogs prospect Mayer, 20, focused on pitch selection -- and

portland sea dogs – Blogging the Red Sox

Red Sox May all-minors team: New pitchers emerge and Bobby Dalbec

Sea Dogs' Marcelo Mayer hits first Double-A homer

Red Sox prospects form close relationships in Double-A Portland