Collection: Baseball Signed Memorabilia

About This Item Hand-signed by 7-time Cy Young Award winner Roger Clemens Official Major League Baseball (ROMLB) Includes JSA Certificate of Authenticity

About This Item Hand-signed by Boston Red Sox legend and Hall of Famer Carl Yastrzemski Includes dual inscriptions: "HOF 89" and "TC 67" (Triple Crown 1967) Official Rawlings Major League Baseball (ROMLB) Authenticated by JSA (James Spence Authentication)

About This Item Hand-signed by Boston Red Sox legend Dustin Pedroia Official Rawlings Major League Baseball (ROMLB) Authenticated by JSA (James Spence Authentication) with COA Features a clean, bold signature on the sweet spot

About This Item Hand-signed by MLB legend Nomar Garciaparra Official Major League Baseball (ROMLB) Authenticated by JSA (James Spence Authentication) Signature prominently displayed on the sweet spot

About This Item Hand-signed by Hall of Fame pitcher Pedro Martinez Includes JSA Witnessed Certificate of Authenticity (COA) Authentic Boston Red Sox memorabilia

About This Item Hand-signed by Boston Red Sox players Roger Clemens, Bruce Hurst, Rich Gedman, and Marty Barrett Official Wilson brand baseball Includes JSA Certificate of Authenticity

About This Item Hand-signed by Hall of Famer Wade Boggs Official Rawlings black baseball bat Authenticated by Beckett (BAS) Witnessed Protection Program Features Boston Red Sox branding

About This Item Hand-signed by pitching legends Nolan Ryan, Randy Johnson, Roger Clemens, and Steve Carlton Features "4,000 K's" themed inscriptions from each player Official Major League Baseball Includes Beckett Authentication Services (BAS) certificate of authenticity

About This Item Hand-signed by three-time World Series champion Curt Schilling 2007 Upper Deck Masterpieces base card #90 Signature authenticated by PSA Pack-pulled original card

About This Item Hand-signed by Boston Red Sox legend Jason Varitek Official Rawlings Major League Baseball (ROMLB) Includes JSA Certificate of Authenticity

About This Item Hand-signed by three-time World Series Champion Curt Schilling 2007 Upper Deck Masterpieces card #90 Signature graded PSA 10 Gem Mint condition Professional authentication by PSA

About This Item Hand-signed by Red Sox legend David Ortiz Red custom-stitched jersey with professionally sewn name and numbers Authenticated by James Spence Authentication (JSA) Includes JSA certificate of authenticity and matching hologram

About This Item Hand-signed by Yankees prospect Cam Schlittler Official Major League Baseball (ROMLB) Includes JSA Certificate of Authenticity

About This Item Hand-signed by Boston Red Sox legend David Ortiz Includes "BP" (Big Papi) inscription Majestic brand jersey Authenticated by JSA (James Spence Authentication)

About This Item Hand-signed by Boston Red Sox legend Bobby Doerr Includes "HOF 86" inscription Official Major League American League baseball Authenticated by Beckett (BAS) and Denver Autographs

About This Item Hand-signed by Hall of Fame pitcher Pedro Martinez Features "CY" (Cy Young) and "HOF" (Hall of Fame) inscriptions Authentic Mitchell & Ness Boston Red Sox jersey style Includes JSA (James Spence Authentication) Certificate of Authenticity