Before his 24 seasons as a star Major League Baseball pitcher, Roger Clemens was a 2-time All American for the University of Texas, where he led the team to the 1983 College World Series. Clemens pitched his way to 7 Cy Young Awards during his stellar major league career, in which he played for the Boston Red Sox, Toronto Blue Jays, New York Yankees and Houston Astros. He was a key member of the Yankees' World Series championships in 1999 and 2000. The 11-time All-Star won 354 games and struck out more than 4,000 batters. These University of Texas Longhorns 1983 replica jerseys have been hand signed and inscribed "83 Nat'l Champs" by Roger Clemens. Each autograph is guaranteed authentic, and includes an individually numbered TRISTAR Authentic hologram. The authenticity of the autograph can be verified by entering the hologram number online at www.tristarauthentic.com.