Collection: Marketplace Baseball Jerseys

About This Item Hand-signed by former New York Yankees pitcher Joba Chamberlain Authenticated by JSA with a Witnessed Certificate of Authenticity Customized New York Yankees style baseball jersey Size: XL

About This Item Hand-signed by Hall of Famer Jim Thome Custom jersey featuring stitched name and numbers Authenticated by JSA (Witnessed Protection Program) Size: XL

About This Item Hand-signed by Montreal Expos legend Dennis Martinez Includes JSA Witness Certificate of Authenticity Custom jersey featuring stitched name and numbers Size: XL

About This Item Hand-signed by MLB legend Dennis Martinez Inscribed "PG 7/28/92" to commemorate his perfect game Authenticated by JSA Witnessed COA Custom Montreal Expos blue jersey style

About This Item Hand-signed by Hall of Famer Vladimir Guerrero Custom Montreal Expos jersey Includes JSA Witness Certificate of Authenticity Jersey size: XL

About This Item Hand-signed by New York Yankees pitcher Joba Chamberlain Features "09 WS Champs" inscription Includes JSA certificate of authenticity Custom Yankees style jersey, size XL

About This Item Hand-signed by MLB legend Dennis Martinez Includes JSA Witness Certificate of Authenticity Custom Baltimore Orioles jersey style (Size XL)

About This Item Hand-signed by 1989 World Series MVP Dave Stewart Includes JSA Witness Certificate of Authenticity Stitched custom Athletics style jersey in size XL

About This Item Hand-signed by Oakland Athletics legend Dave Stewart Authenticated by JSA with a Witnessed Certificate of Authenticity (COA) Custom green Oakland Athletics style jersey Size: XL

About This Item Hand-signed by MLB Hall of Famer Juan Marichal Includes unique "Dominicana Daddy" inscription Authentic Republica Dominicana Majestic jersey Authenticated by Beckett Witnessed (BAS) with numbered hologram and QR code

About This Item Hand-signed by St. Louis Cardinals pitcher Miles Mikolas Custom jersey featuring stitched name and numbers Includes JSA Certificate of Authenticity (COA) Size: Adult XL

About This Item Hand-signed by pitching legend Curt Schilling Philadelphia Phillies custom gray road jersey style Authenticated by JSA (James Spence Authentication) Features sewn-on letters and numbers for a professional look

About This Item Hand-signed by Trevor Story Authentic Game Issued 2018 Postseason jersey Includes "2018 Postseason" inscription Black Majestic MLB authentic jersey (Size 46) Authenticated by Beckett (BAS) Witnessed Protection Program

About This Item Hand-signed by Houston Astros standout Cam Smith Authenticated with a JSA Certificate of Authenticity Custom Houston Astros jersey style (Size XL)

About This Item Hand-signed by Washington Nationals pitcher Josiah Gray Includes JSA (James Spence Authentication) certificate of authenticity Custom collectible jersey, size XL Features official team colors and styling

About This Item Hand-signed by outfielder Joey Wiemer Includes JSA Certificate of Authenticity Washington Nationals custom jersey style Size: XL