Marcelo Mayer Signed Red Sox 8x10 Photo (JSA)

Boston Red Sox Autographed Baseball Memorabilia

Marcelo Mayer Boston Red Sox 11x14 color photo. Signed at a private signing in San Diego on February 17, 2022. Each photo has been authenticated by

Marcelo Mayer Boston Red Sox 11x14 Color Photo Auto Signed JSA Witness COA #4

First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway

Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate

2022 Topps Heritage Minors Real One Marcelo Mayer Sgc 10 AUTO 9.5

Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate

This official MLB baseball has been personally hand signed by Marcelo Mayer of the Boston Red Sox100% Authentic Certificate of Authenticity by TriStar

Marcelo Mayer Signed Autographed OMLB Baseball Red Sox TriStar COA

MLB – Diamond Legends Online

Marcelo Mayer Signed Red Sox 8x10 Photo (JSA)

Autographed Boston Red Sox , Autographed Red Sox Collectibles, Red

Marcelo Mayer already crown jewel of Red Sox farm system