Roger Clemens, nicknamed "Rocket", is a former Major League Baseball pitcher who broke into the league with the Boston Red Sox whose pitching staff he would help anchor for 12 years. Clemens played 24 seasons in Major League Baseball for four teams. Clemens was one of the most dominant pitchers in major league history, tallying 354 wins, a 3.12 earned run average (ERA), and 4,672 strikeouts, the third-most all time. An 11-time All-Star and two-time World Series champion, he won seven Cy Young Awards during his career, the most of any pitcher in MLB history. Roger Clemens has hand signed this Official Rawlings Major League Baseball (Selig). Full Black sweet spot signature with CY 6 inscription. Ball has tone spots/sold as is/no returns. Certificate of Authenticity from Athlon Sports Collectibles.