This official MLB baseball has been personally hand signed by Marcelo Mayer of the Boston Red Sox"2021 1st Round Pick" Inscription100% Authentic Certificate of Authenticity by TriStar
This official MLB baseball has been personally hand signed by Marcelo Mayer of the Boston Red Sox"2021 1st Round Pick" Inscription100% Authentic Certificate of Authenticity by TriStar
This product comes fully certified with a Certificate of Authenticity and tamper-evident hologram and is fully backed by Supersportscenter.com's Authenticity Guarantee.