Custom on-field style jersey. Everything is sewn on, size XL. Hand-signed and inscribed by Carl Yastrzemski (HOF).Yaz was elected to the MLB Hall of Fame in1989. Yastrzemski played his entire 23-year Major League career with the Boston Red Sox (1961-1983). He started his career primarily as a left fielder, but also played 33 games as a third baseman] Later in his career he was mainly a first baseman and D.H. Yastrzemski is an 18-time All-Star, the possessor of seven Gold Gloves, a member of the 3,000-hit club, and the first American League player in that club to also accumulate over 400 home runs. He is second on the all-time list for games played, and third for total at-bats. He is the Red Sox' all-time leader in career RBI's, runs, hits, singles, doubles, total bases, and games played, and is third on the team's list for home runs, behind Ted Williams and David Ortiz.In 1967 Yastrzemski achieved a peak in his career, leading the Red Sox to the American League pennant for the first time in over two decades and being voted the 1967 A.L. MVP. Yastrzemski also won the Triple Crown that year, something not accomplished again in the Major Leagues until Miguel Cabrera did so in 2012.The lot / autograph(s) includes an official James Spence Authentication (JSA) hologram for authenticity purposes.Authentication: JSA Hologram