Description:Roger Clemens autographed record setting 3,509th strike-out game used baseball. Rawlings B.Selig OML baseball has been signed on the sweet spot with added "CY5", "WSC 99, 00", and "K # 3,509 Ball used in game" inscriptions. The blue ink signature rates 8 out of 10. Ball exhibits soiling and usage wear. Clemens pitched the 2001 season opener for the NY Yankees and struck out (5) to pass Walter Johnson on the all-time list and become the American League's strikeout King. Includes full LOA from JSA: Ball EX, Sig. EX/MT-NM