Adam Wainwright, nicknamed "Waino" and "Uncle Charlie", is an American former professional baseball pitcher who spent his entire 18-year Major League Baseball (MLB) career with the St. Louis Cardinals. Adam Wainwright signed MLB Baseball Mid Stance 25 inch Jackie Robinson Logo Sock. Nice full blue signature w/ #50 inscription. Size Large. Obtained from Adam's Ministry Sponsorship partner. Very Rare unique collector item. Certificate of Authenticity from Athlon Sports Collectibles. Image of actual item in stock - as shown