Reggie Jackson, or "Mr. October" for his outstanding performances in the postseason, is baseball's most memorable clutch player. In 27 Fall Classics, the 1973 AL Most Valuable Player hit 10 homers and had a .357 batting average. With 563 career home runs Jackson became the first player to hit 100 or more homers with three different teams, the Oakland A's, the New York Yankees and the California Angels. In 1993 Mr. October became an official member of the Baseball Hall of Fame. Ken Kaiser was an American umpire in Major League Baseball who worked in the American League from 1977 to 1999. He spent 23 years in the major leagues and a total of 36 years in professional baseball. Reggie Jackson and Ken Kaiser have both hand autographed this Kaiser’s Corner New York Yankees Big Dipper photo/artwork Matted 19.5x24.5. JSA Hologram #DD64593 and Certificate of Authenticity.