Marcelo Mayer Signed Baseball | Boston Red Sox

Marcelo Mayer has signed this official baseball, authenticated through the MLB Authentication Program with a numbered hologram you can verify at MLB.com.

Mayer is one of the Red Sox's most promising prospects, and this signed baseball captures his signature at a key moment in his career. It's a solid addition for any Boston collector building around the organization's young talent.

What's included

• Official league baseball
• Authentically signed by Marcelo Mayer
• Individually numbered, tamper-evident hologram for verification
• MLB Authentication Program verified

Display this piece to show your support for Mayer and the Red Sox organization.

Terms and Conditions

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