Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN

Red Sox Prospect Wearing Cleats With Real Pieces of Fenway Park in Them at MLB Futures Game - Sports Illustrated

Alex Katz (baseball) - Wikipedia

Marcelo Mayer - Boston Red Sox Shortstop - ESPN

Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe

Matthew Nesto (@mnest9) / Twitter

Matthew Nesto (@mnest9) / Twitter

Red Sox prospect Marcelo Mayer turned heads at the Futures Game, with his play and with his fashion - The Boston Globe

Red Sox prospect Marcelo Mayer wears Fenway dirt in Futures Game cleats

Marcelo Mayer, Boston Red Sox 2021 first-round pick, walks three times in professional debut in FCL

Boston Red Sox Top Fantasy Baseball Prospects 2023

Red Sox prospect's cleats for All-Star Futures Game feature Fenway Park dirt